A group of tissues performing a specific function.

The brain and spinal cord.

Plasma, RBCs, WBCs, and Platelets

J shaped muscular bag involved in both mechanical and chemical digestion.

Any agent that causes disease

Organ found in the cranial cavity.

Substances secreted by cells that act to regulate the activity of other cells

Transport nutrients and oxygen

Organ that stores glucose, makes proteins, secretes bile, and breaks down toxic substances.

Infects T-cells of the immune system.

The steady-state physiological condition of the body

Electrical signal that transmits information away from the nerve cell body.

Heart chambers that transport deoxygentated blood.

The series of rhythmic muscular contractions and relaxations.

Skin, mucus and sweat

4 main types of tissue

Ductless organ that secrete hormones either into the bloodstream or the fluid around cells.

Exchange of gases between the blood and the cells

The lungs, kidneys, and the skin.

Any substance that the immune system can recognize and react with.

A secondary substance decreases production of the first substance

Voluntary control of the skeletal muscles is performed by this division of the nervous system.

Can give blood to any blood type

If glucose levels are found to be high in urine, then the person could have...

The process by which a WBC engulfs a bacteria.