In the human body, there are approximately 600-700 lymph nodes throughout the body.

Blood returns to the heart from the lungs during pulmonary circulation via the:

Erection is a sympathetic reflex whereas ejaculation is a parasympathetic reflex.

Emphysema or pneumonia (airway blockage) can lead to respiratory acidosis.

The labia majora in the female is homologous to the penis in the male.

ADH tends to increase the amount of urine produced.

A solution with a pH of 7.0 would

The most effective regulator of blood pH is

What system does African Sleeping Sickness primarily affect?

What is the most important protective measure when embalming a case with a suspected fungal infection?