Answer:
It should be challenging to you
Its important to know how to find and check your pulse rate because if you want to excercise and make sure it gets your heart pumping, you need to know how to check your pulse rate before and after to make sure theres quite a difference.
Answer:
A. Vena cava
Explanation:
The aorta can't be the answer because it is the largest artery in the human body and it carries oxygenated blood. The pulmonary artery carries deoxygenated blood into the lungs for oxygenation. The pulmonary veins transfer oxygenated blood from the lungs to the heart. And lastly, the vena cava is the right answer and it returns deoxygenated blood back into the heart.
A week I think. I'm not quite sure
Answer: Pregnant women should not undergo PET/CT scans because the radioactive tracers used may be dangerous to the baby.
Explanation: