Axons

question 58

Multiple Choice

Axons:

• A)receive/detect neural impulses.
• B)carry messages away from a cell body.
• C)secrete chemicals to lubricate the cell body.
• D)are found in the cell body.

---

Definitions:

Thoracic Cavity

Space within the thoracic walls, bounded below by the diaphragm and above by the neck.

Pleural Pressure

The pressure within the pleural cavity, which can become negative relative to atmospheric pressure during inhalation, aiding lung expansion.

Atmospheric Pressure

The pressure exerted by the weight of the atmosphere, which at sea level is approximately 101.3 kilopascals (760 mmHg).

Respiratory Membrane

Membrane in the lungs across which gas exchange occurs with blood.