Refer to the Accompanying Figure

question 17

Multiple Choice

Refer to the accompanying figure. At P = 8 and Q = 4, D1 is ________ elastic than D2, which is shown graphically as D1 being ________ D2.

• A)more; flatter than
• B)more; steeper than
• C)less; flatter than
• D)less; steeper than

---

Definitions:

Hemoglobin

A component of red blood cells, hemoglobin serves the crucial function of delivering oxygen from the lungs to tissues across the body and returning carbon dioxide from the tissues to the lungs.

Collagen

The main structural protein found in skin and other connective tissues, providing strength and elasticity.

Enzymes

Biological catalysts that speed up chemical reactions in the body without being consumed by the reactions.

Hormones

Chemical messengers produced by glands that regulate various functions in the body by acting on specific target organs.