Answer:A
Reason bc second hand smoke is real and the want less people to smoke
Blood carbon dioxide level
Neuron is the type of cell in the central nervous system
plays an important role in the uptake and processing of neurotransmitters from
synaptic clefts.
To add, a neuron is an electrically excitable cell
that processes and transmits information through electrical and chemical signals.
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.
