The Brain Finds Out About the Degree of Stretch of the Stomach

question 71

Multiple Choice

 The brain finds out about the degree of stretch of the stomach from ____.

• A) visual feedback
• B) the hormone angiotensin
• C) sensory receptors on the skin of the abdomen
• D) activity of the vagus nerve

---

Definitions:

Chewing Reflex

An involuntary movement of the jaw that occurs in response to the presence of food in the mouth, aiding in mechanical digestion.

Oral Cavity

The mouth, an opening in the body equipped with teeth, tongue, and salivary glands, serving as the beginning of the digestive tract.

Neural Tube

The embryonic precursor to the central nervous system, which comprises the brain and spinal cord. The neural tube forms early in the development of vertebrates.

Subarachnoid Space

The area between the arachnoid mater and pia mater, filled with cerebrospinal fluid, which acts as a protective cushion for the brain and spinal cord.