Answer and Explanation :
When we begin to move, the brain first sends a signal to the spinal cord, then nerve cells in the spinal cord control the precise coordination of the muscles. The results also indicate that each part of the brainstem controls a certain aspect of moving—either running or walking.
I'd say C. an allergic reaction. Mainly because lots of people are allergic to many things and many people intend to have seasonal allergies cause by plants. Hope it helps!
When you are sick your muscles shut down and you skeletal system helps keep you from turning into a blob.
Heterotrophs are a type of consumer, where they eat other organisms.
They obtain organic food molecules by eating other organisms.
