In systole, you should expect that your mitral valve and tricuspid valve to be closed (snap shut) and you should expect your pulmonary valve and aortic valve to open. Hope this helps
It could be that your house is too cold, or there is something in the air that makes you sick.
Hope that helps :)
Answer:
I think it would be compared to computer
<span>There are many ways our body sends messages in order to help regulate bodily function, like mood, body heat, and so forth. One way our body communicates is through the endocrine system. This sends chemical messengers in the form of molecules like the ones in the picture through our bloodstream to perform specific functions.</span>
Answer:
First one false, Second one false, Third one true
Explanation: