WorksheetsHeart and circulatory system
Total questions: 25
Worksheet time: 15mins
_______ function in the life-saving process of clotting blood.
Phagocytes
Leucocytes
Erythrocytes
Platelets
True or false:
Arteries always carry oxygenated blood.
True
False
A fish's heart has ___ chambers.
1
2
3
4
True or false:
Arteries always carry blood away from the heart.
True
False
An open circulatory system is one that has:
no valves present
no heart to pump the fluid
no vessels at all
no distinction between blood and tissue fluid
After blood leaves the right atrium, it enters the ___.
right atrium
left atrium
right ventricle
left ventricle
After blood leaves the left atrium, it enters the ___.
right atrium
left atrium
right ventricle
left ventricle
___ are tiny blood vessels that carry blood to an from almost all body cells and connect arteries and veins.
arteries
veins
capillaries
Select the best answer to the question
What are the advantages of a double circulatory system?
The blood gets pumped twice so the system is twice as efficient.
There is a clear division between oxygenated and deoxygenated blood.
Blood is maintained at a high pressure allowing efficient exchange in the lungs and kidney function.
Blood is maintained within the circulatory and does not pass out into the tissues.
Identify the valve that separates the right atrium from right ventricle.
Tricuspid valve
Semi-lunar valve
Mitral Valve
Atrioventricular valve
