What is the function of the heart?
To remove waste products from the muscles
To keep the blood continuously circulating throughout the body
Develop essential nutrients and deliver them to the muscles and organs
To repair and replenish dead cells
The heart is made up of how many chambers?
What is the name of the upper chambers?
What is the name of the lower chambers?
The heart sits in a sack. Identify its correct name from the list below.
What is the name of the valve on the right side of the heart?
What is the name of the valve on the left side of the heart that separates the chambers?
The heart is split into right and left sides by what?
What is the name of the muscle that surrounds the heart?
Blood enters through which vein after returning from the peripheries?
Superior Vena Cava
Blood enters through which vessel after returning from the lungs?
Superior vena cava
Blood leaves the heart through which vessel when going to the peripheries?
Blood leaves the heart through which vessel when going to the lungs?
The systemic circuit carries blood to the lungs to be oxygenated and then back to the heart
The pulmonary circuit carries blood around the body to deliver the oxygen and returns de-oxygenated blood to the heart.
Select all appropriate blood vessels
What best describes the structure of arteries?
Have thick muscular walls and small passageway for blood
Have thin muscular walls and small passageway for blood
Have thick muscular walls and large passageway for blood
Have thin muscular walls and large passageway for blood
Arteries carry blood under high pressure
Arteries carry blood towards the heart
Identify the key structural points for veins
Large passageway for blood
Small passageway for blood
Veins carry blood to the heart
Blood pressure is a measure of the force blood exerts against vessel walls
Systolic pressure is the maximum pressure on the vessel walls and occurs during a heart beat
Diastolic pressure is the lowest pressure on the vessel walls and occurs when the heart is relaxed
What is classified as optimal blood pressure?