Speed is the ability to perform a particular movement very rapidly
4. What is a phagocytic cell? Give an example. Phagocytes are cells that protect the body by ingesting harmful foreign particles, bacteria, and dead or dying cells. (such as neutrophils, monocytes, macrophages, mast cells, and dendritic cells).
5. What are the signs of inflammation? Redness.
Heat.
Swelling.
Pain.
Loss of function.
6. Why does an inflamed area become red? These include the hormones bradykinin and histamine. They cause the small blood vessels in the tissue to become wider (dilate), allowing more blood to reach the injured tissue. For this reason, inflamed areas turn red and feel hot.
7. What is meant by the term “autoimmune”? An autoimmune disease is an illness that causes the immune system to produce antibodies that attack normal body tissues. Autoimmune is when your body attacks itself. It sees a part of your body or a process as a disease and tries to combat it.
Answer:
The correct answer is A) serotonin
Explanation:
Serotonin is a neurotransmitter that is responsible for regulating sleep, aggression, appetite, etc. Serotonin plays an important role in mood swings, fear, anxiety. Decrease production in serotonin can cause depression, loss of appetite, low energy, negative thoughts, irritation, etc.
Therefore as jack has lost his appetite and is unable to sleep and experience mood swings therefore this shows that the amount of serotonin hormone in jack has diminished. Therefore the correct answer is A.
Essential body fat is fat that is needed and used in vital organs and systems of the body. Storage body fat is fat store in the body's cells until needed for energy.
