Use the Figure to Answer the Question Below

question 52

Multiple Choice

Use the figure to answer the question below.

In the figure, G₁ is represented by which numbered part(s) of the cycle?

• A)I and V
• B)II
• C)III
• D)IV

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Definitions:

Pituitary Gland

Endocrine gland attached to the bottom of the hypothalamus; its secretions control the activities of many other endocrine glands; associated with biological rhythms.

Digestive System

The group of organs responsible for breaking down food, absorbing nutrients, and eliminating waste products from the body.

Blood-Brain Barrier

A selective permeability barrier that separates the circulating blood from the brain and extracellular fluid in the central nervous system, protecting the brain from foreign substances.

Blood-Brain Barrier

A selective barrier formed by endothelial cells that protects the brain from harmful substances in the blood while allowing essential nutrients to pass through.