4.What does oxytocin do to the body
A: Protects the cardiovascular system
B: keeps blood vessels relaxed
C: promotes heart cell regeneration
D: Protect the brain
A: Protects the cardiovascular system
B: keeps blood vessels relaxed
C: promotes heart cell regeneration
D: Protect the brain
举一反三
- To make a word pertaining to the heart and blood vessels is（）. A: cardioventricular B: cardioversion C: cardiovalvular D: cardiovascular
- 12.The function of the cardiovascular<br/>system is to transport blood throughout the body, with the heart acting as the pump for ________. A: circulation B: transportation C: transplant D: operation
- The ability of the heart, lungs and blood vessels to deliver oxygen to working muscles and tissues during physical activity for a long period of time. A: muscular strength B: flexibility C: cardiovascular endurance D: ody composition
- The morpholgic changes of lung congestion do not include which of the following?() A: Aschoff cell B: Heart failure cell C: Minute bleeding D: Edema fluid E: Dilated vessels
- What kind of blood vessels regulate the distribution of blood flow to body's parts and organs? A: Large arteries B: Medium-size arteries C: Small arteries D: Arterioles