B. is the answer because the nervous system send nerves down your body telling your hand to move its a reaction to the pain of the hotness your felling
They would not be able to fit into a semipermeable membrane it will just pass threw
Answer:
They provide energy, protection and insulation for the organs in the body. They're also very important in the cell membranes.
Explanation:
Your answer is <span>1.
0.8 grams/kilogram</span>
Answer: Pulmonary aortic valve
Explanation: