Answer:
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All living cells need energy to function in order for the chemical reactions occurring in the cells to take place. In humans this energy is obtained by breaking down organic molecules such as carbohydrates, fats and proteins.
Flowering plants reproduce sexually through a process called pollination. The flowers contain male sex organs called stamens and female sex organs called pistils. Cross-pollination happens when the wind or animals move pollen from one plant to fertilize the ovules on a different plant.
One
substance, other than the secretions from nerve cells, that is used in cell
communication are hormones.
<span>
To
add, <span>a hormone is any member of a class of signaling
molecules produced by glands in multicellular organisms that are transported by
the circulatory system to target distant organs to regulate physiology and
behaviour.</span></span>
Explanation:
is the ability of body human being or animals
Answer:
Once anaerobic respiration takes place, are the effects permanent? Why or
why not?
Explanation:
Muscle fatigue occurs when continuous and excessive muscle activity causes the switch from aerobic respiration to anaerobic respiration. This switch happens because the oxygen supply the the cells has been reduced.
Hope that helped.
