Biology Quiz On Heart Functions! Quiz
5 Questions
| Total Attempts: 949
The human heart is made up of four chambers whose sole purpose is to ensure that blood is kept in circulations and if it stops then the owner will be in some deep trouble, do you think that you understood all there is to the heart functions after covering topic six f you IB biology. Test yourself by taking this test!
Questions and Answers
- 1.Coronary arteries supply heart muscle with oxygen and nutrients.
- A.
True
- B.
False
- 2.The _____ _______ collects blood from the superior and inferior vena cava.
- A.
Left Atrium
- B.
Right Atrium
- C.
Pulmonary Veins
- D.
Left Ventricle
- 3.The left atrium collects blood from the ______.
- A.
Pulmonary Veins
- B.
Right Atrium
- C.
Left Ventricle
- D.
Semilunar Valves
- 4.The direction of blood flow is controlled by the atrioventricular valves and semilunar valves.
- A.
True
- B.
False
- 5.The heart muscle can contract by itself, without stimulation from a nerve. This is called ______ muscle contraction.
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