Question

the outer layer of the forebrain is called the

• limbic system.
• corpus callosum.
• cerebral cortex.
• medulla.

which hormone is important in the physical development of males?

• estrogen.
• testosterone.
• adrenaline.
• thyroxine.

the chemical substances secreted by the endocrine system through the bloodstream are

• neurotransmitters.
• genes.
• neurons.
• hormones.

Explanation:

Identify the outer layer of the forebrain

The outer layer of the forebrain is the cerebral cortex, which is responsible for high-level processes such as consciousness, thought, emotion, and memory.

Identify the hormone important for male physical development

Testosterone is the primary androgenic hormone responsible for the development of male secondary sexual characteristics and physical growth.

Identify chemical substances secreted by the endocrine system

The endocrine system secretes chemical messengers called hormones directly into the bloodstream to regulate distant target organs.

Answer:

Question 1

• limbic system.
• corpus callosum.
• cerebral cortex. (Correct answer)
• medulla.

Question 2

• estrogen.
• testosterone. (Correct answer)
• adrenaline.
• thyroxine.

Question 3

• neurotransmitters.
• genes.
• neurons.
• hormones. (Correct answer)