When a normal cycle occurs, air constantly flows between the warm and cool areas. However, during an inversion episode, temperatures increase along with the rising altitude. The warm inversion layer then acts as a cap and prevents atmospheric mixing.

Options B, C, and D occur during telophase, the last phase.

Mitosis is the process when cells become duplicated while meiosis is the process by which the chromosome number is divided into two.

Valves regulate backflow and are found in the venous system.

It stimulates the contraction of the muscular tissues of the capillaries and arterioles, raises blood pressure, increases peristalsis, has an effect on the uterus, and the kidneys by reabsorbing water.

“Dense ball of capillaries” is the key phrase.

Keratin is a protective type of protein.

The size of the breasts has nothing to do with their functionality. Regardless of size or shape, being able to produce breast milk lies in the breast tissue.

When sympathetic fibers are stimulated they decrease urinary excretion while the parasympathetic fibers increase urinary excretion upon stimulation.

As blood passes through the renal artery going into the kidney, the arteries which supply the glomeruli in the Bowman’s capsule will be subdivided into microscopic vessels called afferent arterioles. As blood leaves the glomeruli, it flows into the efferent arterioles.