Circulatory System notes
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This GoConqr page gathers circulatory system notes on the heart, blood vessels, blood and heart disease. It offers school students material to revise these topics and teachers ready-made notes for lessons. There are over 140 notes, mostly at secondary level. Choose a note and start exploring.
Notes
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The Heart And The Blood Vessels There are two forms of circulatory system :A) Open blood systemB) Closed blood systemOPEN CIRCULATORY SYSTEMThe heart pumps blood into open-ended blood vessels. The blood leaves these vessels and flows all aroun...
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Functions of the blood Blood is made of 4 main componentsPlasmaPlateletsRed Bloods CellsWhite Blood Cells. Plasma is the pale yellow liquid, that is basically blood, but without the cells, the plasma carries just about everything.Carries th...
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Biology AQA 3.1.5 Heart Structure and Function Veins are to the heartArteries are away from the heart. Left hand side the muscle is thicker:Oxygenated blood from the pulmonary vein,moves from atrium to ventricle over an atrioventricular valveVentricle then pushes ...
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GCSE Biology heart notes Arteries carry blood away from the heart. They have to cope with high blood pressure so they have a thick wall made of elastic muscle fibres. Veins carry blood to the heart. They have lumen which is much bigger c...
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The Heart - AS Applied Science - Biology - Unit 2 Circulation in mammals is a double circulatory system . This means that the blood goes through the heart twice for each circuit of the body. Superior Vena CavaCarries deoxygenated blood from the body to the...
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The Heart De-oxygenated blood flows into the right atrium from the body, via the vena cava.The blood then moves into the right ventricle, where it is pumped to the lungs via the pulmanory artery.Oxygenated blood from the lungs ...
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The Biological basis of Heart Disease Atheroma1. Cholesterol and other lipids collect on the inside of the coronary artery. This deposit is called an atheroma and it narrows the lumen restricting the blood flow.2. The atheroma is then able to collect mine...
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Arteries Arteries. Carry blood away from the heart. High pressure. Thick, strong walls. Contains muscles, elastic fibres and fibrous tissue. Narrow lumen. No valves.
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The Circulatory System The Circulatory System Blood Red blood cells Haemoglobin - red, carries oxygen Disc shaped, thinner at the centre No Nucleus White blood cells Contain a nucleus No definitive shape Protect against disease Platelets Ti...
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Cardiovascular System Notes Structures & Functions parietal pericardium - separates heart from longs inside the thorax visceral epicardium - outermost layer of the heart myocardium - muscle layer of the heart; comprises 99% of the mass of the he...
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The Heart And The Blood Vessels There are two forms of circulatory system :A) Open blood systemB) Closed blood systemOPEN CIRCULATORY SYSTEMThe heart pumps blood into open-ended blood vessels. The blood leaves these vessels and flows all aroun...
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Transport in Humans 8.1: The Need for a Transport System Simple diffusion cannot bring oxygen and food materials to cells in complex multicellular organisms. There must be a transport system to carry substances from one part of the body ...
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The Cardiac Cycle Pulmonary Artery - Carries deoxygenated blood from right side of heart to lungs Pulmonary Vein - Carries oxygenated blood from lungs to left side of heart Vena Cava - Carries deoxyg...
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biology exam 4 I. Circulatory System A. List 6 basic functions of a circulatory system: 1. 2. 3. 4. 5. 6. Transport of gases: Oxygen and carbon dioxide are transported to and from tissues. Nutrient delivery: Nutrients from digestion...
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Topic 3b: circulatory system Function: pumps blood around the body with the use of 4 chambered heart and vessels circulation of oxygen and CO2 (respiratory system), nutrients (small intestine), hormones (endocrine glands), ions and fluids (urinar...
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*Transport in Animals Transport Systems Single-celled/small organisms DON'T need transport systems (diffusion = enough excretion + obtaining) Larger, multicellular organisms NEED transport systems as they have a greater SIZE, smaller SA:VO...
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Cardiovascular Disease Cardiovascular Disease Cardiovascular diseases are diseases linked to the cardiovascular system. Atherosclerosis means hardening of arteries and it’s a build up of fatty deposits (plaques) in the arteries A plaque can...
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Adaptations for transport in Animals Adaptations for transport in animals Open circulatory system (Insects, crustaceans, molluscs and other invertebrates) Fluid pumped at a relatively low pressure from one main long dorsal tube shaped heart running the l...
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Biology Chapter 23 CIRCULATORY SYSTEM: Circulatory systems facilitate(enable) exchange with all body tissues To sustain life an animal needs to acquire nutrients, exchanges gases, and dispose of wastes. These functions are enabled by th...
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2. Plants and animals transport dissolved nutrients and gases in a fluid medium Identify the form(s) in which each of the following is carried in mammalian blood:-Carbon dioxide: partly carried by haemoglobin, but most is carried by plasma in the form of bicarbonate irons (HCO3)-Oxygen:...
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B9 Transport in Animals 9.1 Circulatory System The circulatory system is a system of blood vessels with a pump and valves to ensure one-way flow of blood.The single circulation of a fishOne function of the blood is to carry oxygen. This occu...
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Untitled The circulatory system in mammals transports essential chemical substances to and from all of the cells in our bodies. The heart pumps blood along a network of blood vessels to reach our cells, while the lungs replace...
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Topic 1 Q1)Due to the dipole nature of water hydrogen bonds for between molecules. Hydrogen bonds are important in giving water its properties because: hold molecules together so water is a liquid at room temperature. h bonds...
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Chp 10 10.1 Arteries and Arterioles: - Arteries are the blood vessels that carry blood away from the heart. They have thick walls composed of distinct layers. ...
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Chapter 32: Circulation & Cardiovascular System Human Heart: Values Values open & close to control blood flow through heart Atriventicular values Tricuspid……. Right Bicuspid………Left Semilunar Values Pulmonary Aortic Blood returning to heart from systemic circuit Ent...
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Structure and function of the Cardiovascular and lymphatic System Cardiovascular system is made up of heart, blood and blood vessels.Blood vessels are made up of : Arteries- carry blood away from the heart (arterioles are smaller) Veins- carry blood back to the heart (venules are sm...
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Science Prac Heart Rate Recovery PracBy Cate Rausz and Madeleine Ghent. Aim: To observe and record one's recovery rate by plotting he change of heartbeats over 10 minutes following exercise. Hypothesis:It was expected that when ex...
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Untitled_3 THE HEARTCIRCULATIONTHE MAIN COMPONENT OF THE CIRCULATORY SYSTEM IS THE HEART, A MUSCULAR PUMPING ORGAN SITUATED IN THE THORAX(CHEST CAVITY).IT IS CONNECTED BY BLOOD VESSELS TO EVERY TISSUE IN THE BODY, AND CARRIES OU...
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The Circulatory System Strucute of the Human Heart Left side gets blood from the lungs and sends to rest of body Right Side gets blood from the body and sends it to the lungs Blood enters the 2 atria (through the Vena Cava (r) and Pulm...
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The Heart Role of the cardiovascular system: Primary transport system in the body Delivers nutrients oxygen Removes waste Role of the heart: Pump blood to the lungs Pump blood around the body Where is it located? Thorax M...
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The heart and blood vessels Arteries: Takes blood out of the heart Carries blood under high pressure ...
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transport in humans components of blood (1) Plasma - pale yellowish + 90% water functions : transport nutrients ( glucose ) , metabolic waste ( urea ) to kidney , hormones ( glands to organs ) , carbon dioxide contains soluble protein li...
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Transport System in Organisms BloodBlood is a fluid tissue (fluid with cells). It is made up of Plasma Red blood cells White blood cells Platelets PlasmaPlasma is a pale yellowish fluid that is made up of mainly waterFunctions: Tra...
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1 - The Heart and Blood Vessels Double Circulatory System · The circulatory system is made up of the heart, blood vessels and blood. · Humans have a double circulatory system (two separate circuits around the body). 1. In the first, the right ventri...
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Untitled Circulatory Systems 47.1 Types of Circulatory Systems The two basic types of animal circulatory systems are open systems and closed systems Water enters the Gastrovascular Cavity: a body cavity with a single opening t...
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Chapter 8: Transport in animals 8.1 Transport systems in multicellular animals In single-celled organisms, processes such as diffusion, osmosis, active transport, endocytosis and exocytosis can supply everything the cell needs to import or export. T...
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Untitled Biology Heart and circulatory system Biology: the Heart and Circulatory system In Mammles, Blood flow is maintained by: a muscular Hear, which pumps blood throughout arteries and capillaries. rythmical co-...
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Chapter 10 Lesson 1 Transport system in plants and humansDiffusionDefinition of diffusion: It is the net movement of particles from a region where they are of a higher concentration of particles to a region where they are of lower concen...
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Arteries, Veins, Venules CIRCULATORY SYSTEM February 8, 2017 · Blood, blood vessels and the heart · Closed system · Main Functions: o Deliver nutrients and O2 to the cells o Pick up CO2 and waste materials BLOOD CIRCULATION · In mammals - dou...
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Circulation Transport systems, human circulation test 1. Transport systems are not necessary for single celled organisms because?2. The best advantage of a double circulation system is? 3. What is the function of the renal artery...
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The notes on this page cover heart structure and function, the cardiac cycle, arteries, blood components and heart disease. They offer different starting points depending on what you want to revisit.
The Heart is a useful place to start with the path of blood through the heart. Follow it with Arteries to focus on the features of one type of blood vessel. For blood components, turn to Functions of the blood.
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Read a short section, then put the note aside and explain its main points in your own words. Return to the note to check what you missed. You could compare the notes on heart structure with those on the cardiac cycle to connect the structures with the movement of blood.
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Frequently asked questions
Which note should I start with?
Start with The Heart if you want to follow blood through the heart. If you are revising a narrower topic, Arteries focuses on a type of blood vessel, while Functions of the blood covers blood components. Each gives you a different place to begin.
What do the notes cover?
The notes cover heart structure and function, blood vessels, blood components, the cardiac cycle and heart disease. For example, The Biological basis of Heart Disease discusses atheroma, while The Heart And The Blood Vessels describes open and closed circulatory systems.
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Which levels do these notes suit?
Most of the notes are at secondary level, making this page useful for school students and teachers. GCSE Biology heart notes is one option for students studying that course. Check each note to see whether its content fits the topic you are revising or teaching.