Compared with the Interstitial Fluid That Bathes Active Muscle Cells

question 9

Multiple Choice

Compared with the interstitial fluid that bathes active muscle cells, blood reaching these cells in arteries has a

• A) higher PO₂.
• B) higher PCO₂.
• C) greater bicarbonate concentration.
• D) lower pH.

---

Definitions:

Body Mass Index

A numerical computation that evaluates an individual's body weight in relation to their height, used to assess if their weight is in a healthy range.

Basal Metabolic Rate

The speed at which energy is consumed by the body during rest to keep critical operations like breathing and blood flow going.

Appetite Hormones

Biochemical substances, such as ghrelin and leptin, that regulate the sensation of hunger and satiety in the body.

Secreted by the Hypothalamus

Produced and released by the hypothalamus, a region of the brain responsible for hormone production and regulation.