Regarding inhalation and exhalation: To inhale: the [intercostal] muscles and the [diaphragm] contract.  The volume of the thoracic cavity [increases].  The pressure in the thoracic cavity [decreases].  Air moves into the lungs.   Air moves from an area of [higher] pressure to an area of [lower] pressure. To exhale: the muscles relax, the volume of the thoracic cavity [decreasesa], the pressure [increasesa] and air moves out.

There are changes in the tissues that form the wall of the organs of the respiratory system.  Match the correct tissues types with the organs they exist in.

Many people consider sports to be different from other forms of entertainment (i.e., movies, television, music, etc.), and the book discusses several such distinctions. According to the text, what is the most important difference, especially for African Americans and members of other minority groups? Why is that difference so important? In addition, explain at least one other difference discussed in the book.

According to Emerson, why is “envy ignorance”?

What does Emerson mean by “there is no time to the roses under my window”?

According to Emerson, what is the role of nonconformity in personal growth?

How does Emerson characterize self-trust?

According to Emerson, what does “insist on yourself; never imitate” mean?

What happens to the concentration of solutes in a person’s extracellular fluid after intense perspiration? What about the osmolarity?

Find the distance between the points with polar coordinates