The male urethra is about 4 cm in length and passes through the prostate and penis.

Expiration often uses contraction of the external intercostals to pull the ribs downward.

The vessels with the greatest cross-sectional area are the arteries. 

It is believed by some that getting scared results in an overload of the nervous system causing a lapse in bladder control.

The trachea has a ring of cartilage surrounding the circumference, supporting the tissue.

A patient has been taking a benzodiazepine for intermittent insomnia. She calls the nurse to say that when she takes it, she sleeps well, but the next day she feels “so tired.” Which explanation by the nurse is correct?

Elevated PCO2 in the area of the lungs can cause a local bronchiolar constriction.

This pressure aids in keeping the lungs in contact with the chest wall

Hemoglobin will unload bound oxygen faster than myoglobin.

The pressure within the lung alveoli is called the