Answer:
The return of blood to the heart is assisted by the action of the skeletal- muscle pump. As muscles move, they squeeze the veins running through them. Veins contain a series of one-way valves, and they are squeezed, blood is pushed through the valves, which then close to prevent backflow.
Answer:
Muscle fatigue is often reported by patients with Marfan syndrome although myopathy is not classically considered a component of Marfan syndrome [1, 2, 4, 6, 7]. In addition to apparent muscle underdevelopment, some patients report myalgia or cramps suggesting skeletal muscle involvement.
The answer would be meiosis 2 because in this separation of sister chromatids occur which is similar if not identical to mitosis.
b. The efferent nerves send a message to the brain that the soup is too hot, then the brain sends a message through the afferent nerves for Zipora to put down the spoon.