The autonomic nervous system is the division that includes the brain and spinal cord.

The extremely fine and soft hair of a newborn infant is called lunula.

An embolus is a traveling blood clot; a thrombus is a stationary blood clot.

A sex cell has 23 chromosomes

The abdominopelvic region labeled Letter “E” on the diagram is the:

Vitamin E is also known as thiamine.

Decubitis ulcers are usually found in the mouth.

A sperm cell undergoes mitosis.

Match the organ with its body system.

Simple goiter is caused by lack of sufficient sodium in the diet.