Answer:
C. Since menopause, Sara's levels of the hormone estrogen have dropped.
Explanation:
I majored in Health
The answer is viruses change their form when the immune system knows how to kill it and thats how they trick the immune system and viruses are much smaller than bacterias
Answer:Chemo receptors
Explanation:
Chemo receptors/ Chemo-sensors are specialized nerve cells sensors that detect changes in certain types of chemicals le CO2, O2, and pH, and respond accordingly based upon location of the stimuli, and can be Direct or Indirect.
In the direct case, the chemo receptors, found in the carotid body located at the carotid artery monitors and detects levels of pH in the cerebrospinal fluid, oxygen and carbon dioxide in the blood and helps in breathing, the rate and depth of of breathing according to a person's needs that is why it is very difficult for one to suffocate by holding their breath because these nerve cells will trigger back to the respiratory centers, an involuntary breathing response due to the critical signals of chemicals they detect in the blood.
Indirect chemo receptors can be found in the nose and tongue for detecting smell and taste.
<span>Watery eyes can defend you from dust or any factors that can directly enter your eyes. Watery eyes can get rid of everything that is bothering them like chemicals, salt, and pepper. If you notice, when you slice an onion, your eyes will slowly be in tears. This is to protect your eyes from the substance that an onion excreted when it is sliced.</span>
