If the _______ stops beating, no blood can flow through the body.()
A: heart
B: lungs
A: heart
B: lungs
举一反三
- The ________ of the heart is to pump blood through the body.
- What can not produce Doppler effect in human body ( ) A: Fetal heart B: Heart valve C: Stationary liver tissue D: Blood flow
- （ ） acts as a pump to maintain a constant circulation to blood throughout the body. A: heart B: kidneys C: lungs D: liver
- bump, dump, hump, lump, pump The function of the heart is to ______ blood through the body.
- What<br/>is heart failure? () A: condition in which the heart stops beating B: condition in which the heart cannot pump enough blood to meet the<br/>body's needs C: heart<br/>attack D: condition in which the patient experiences chest pain E: none<br/>of above