Answer:
Making an area unavailable to plants and animals
Explanation:
According to the starling law, parasympathetic effects on cardiac rate and contractility include decreasing the rate of contraction and increasing the filling time resulting in a stronger contraction.
The Frank-starling law of the heart states that the stroke volume of the heart increases in response to an increase in the volume of blood filling the heart when all other factors remain constant.
The human heart has only 4 chambers. Left and right atria and left and right ventricles.
A. The different length and different sequence are a good indication they are front different genes and probably have different functions.
