Answer: A public service announcement because the rest the answers support marijuana users.
Answer:
<em><u>tricuspid </u></em><em><u>valve</u></em>
<em><u>Blood flows from your right atrium into your right ventricle through the open tricuspid valve. When the ventricles are full, the tricuspid valve shuts. This prevents blood from flowing backward into the atria while the ventricles contract (squeeze)</u></em>
I believe in some cases this is true. if a person has anxiety about an animal or a specific thing then it is possible to cure the anxiety with hypnosis.
Answer:
The Excretory system is responsible for the elimination of wastes produced by homeostasis. There are several parts of the body that are involved in this process, such as sweat glands, the liver, the lungs and the kidney system. Every human has two kidneys.
Explanation: