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
内容
- 0
What can not produce Doppler effect in human body ( ) A: Fetal heart B: Heart valve C: Stationary liver tissue D: Blood flow
- 1
of, relating to, or involving the heart and blood vessels A: bane B: curb C: buildup D: hydrogenated E: temptation F: serving G: trans fat H: H. cardiovascular I: I. hospitalize J: J. restriction
- 2
What is the earliest and quickest response of blood vessels after an injury? () A: Vascular endothelial cell contraction B: Platelet aggregation C: Clot retraction D: The wound callus E: Blood flowing retarding
- 3
What are the names for the tubes in your body that carry blood from your heart to the rest of your body.
- 4
From the fourth paragraph we learn that ______ A: heart attacks are more likely caused by alcohol than stroke B: moderate drinking discourages blood platelets from clotting C: boosting the levels of good cholesterol can lead to heart attacks D: moderate drinking protects people by making the blood cell clump