Flashcards
Unit 3.3
Cards in this deck (27)
- 1Circulatory SystemUNJIUYE6UFHNJDLJDLJDLJDLJDLJDL
- 2What is the circulatory system?The system that makes sure everything gets to where it needs to go in your body.\_(*_*)_/
- 3How many types of blood vessels are there?3
- 4Name them.Capillaries
Arteries
Veins - 5What is a capillary?A small blood vessel found in the tissue.
- 6What is an artery?The vessels that carry blood away from the heart.
- 7What are veins?The vessels that carry blood back to the heart
- 8What is a bruise?A bruise is a small patch of blood surroundign the tissue.
- 9How does a bruise occur?Some of the tiny capillaries near your skin burst, leaking blood into the tissue.
- 10What is a heart?The organ that pumps blood around the body.
- 11What is a heart made out of?Cardiac Muscle
- 12How big is the heart?About the size of your fist.
- 13Where is the heart located?In the middle of your chest, behind the breastbone.
- 14Does cardiac muscle get tired?No
- 15How does the cardiac muscle keep it's energy flowing?By producing more and more energy with the mitochondria
- 16How many phases of a heartbeat are there?3
- 17What is the first stage?The two Atria Contract, pushing the blood down into the ventricles.
- 18What is the second Stage?The ventricles contract, forcing blood out of the heart to the body and lungs.
- 19What is the last stage?The heart muscle relaxes and the atria fills with blood
- 20Is Blood an organ?Yes
- 21Fill in the blank The average sized adult has __ Litres of blood.5
- 22What are red blood cells?Oxygenated Blood Cells made in the blood marrow that have haemoglobin
- 23What are white blood cells?The larger blood cells that are part of the immune system.
- 24What is Plasma?Clear yellowish liquid that is 90% water 10% dissolved materials such as nutrients and waste. Blood cells and platelets are suspended in Plasma.
- 25What are Platelets?Platelets are broken bits of cells Produced in the bone marrow
- 26What do platelets help do?They Help Clot Blood.
- 27What can a too much of a blood clot cause?1. Heart Attack if it occurs in the heart
2. A stroke if it occurs in the brain
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- Science Flashcards on Unit 3.3, created by Mr Intifada on 19/03/2017.
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- Mr Intifada
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