Answer:
im pretty sure its the 3rd one
Explanation:
In parasitism, one organism harms another organism (the host). An example would be fleas living in cats/dogs; they feed on their blood.
Therefore the answer is A is harmed, and B is helped.
Answer: The cerebellum
Explanation:
The cerebellum is responsible for balance, fine motor control, and more. This means that the area in the brain you are looking for is;
The cerebellum
<em> Read more about </em><em>the cerebellum</em><em> here:</em>
<em>brainly.com/question/17814054</em>
Repeat the epinephrine injection after consulting with medical control.
To bring oxygen in the body because it is a respiratory organ fish