A major respiration muscle directly below the lungs.

The alveoli exchange:

I on the diagram represents Wk. 2 quiz pic(8).pdf 

F on the diagram represents Wk. 2 quiz pic(5).pdf 

_____ would be the middle of the body structure.

My feet are _____ to my head. Another way to describe it would be down.

Body is subdivided into two major areas the head, neck and trunk is the area called ___.

____ is the ability of the body to maintain relatively stable internal conditions despite ever changing external environment; a state of dynamic equilibrium where internal conditions change within relatively narrow limits.

____ plane is a Y-X plane – perpendicular to the ground, which (in humans) separates the anterior from the posterior, the front from the back, the ventral from the dorsal.

In the eighteenth and nineteenth centuries cadaver bodies were usually prisoners who had been executed.