Answer:
Heart valves or the closure of the mitral and tricuspid atrioventricular (AV) valves at the beginning of ventricular systole and the closure of the aortic valve and pulmonary valve at the end of ventricular systole.
Explanation:
The heart tone “lub,” or S1, is caused by the closure of the mitral and tricuspid atrioventricular (AV) valves at the beginning of ventricular systole.
The heart tone “dub,” or S2 ( a combination of A2 and P2), is caused by the closure of the aortic valve and pulmonary valve at the end of ventricular systole.
B because on the same species can mate and have offspring and normally they also have a similar name
Answer:
False. A with T and C with G
Explanation:
<h2>Use of vessels in bypassed surgery</h2>
Explanation:
- when blood can't stream effectively through the supply routes of your heart, you may need to experience coronary conduit bypass surgery.
- Your PCP prescribes heart surgery when the torment or different indications are not sensible by meds and way of life changes alone. Or on the other hand, you may have basic narrowing in vessels that lessen the bloodstream to a huge segment of the heart muscle, setting you in danger for an impairing respiratory failure.
- The specialist must bypass the deterrent in the supply route since it can't be disintegrated or evacuated. Bypassing the blockages will supply the vital oxygen, in this way calming angina and expanding the capacity of the heart.
- Mammary arteries are as of now connected to the fundamental corridor (the aorta). This implies just its opposite end must be detached and united onto the sick coronary supply route.
