What is the main organ of the circulatory system?

Arteries carry oxygen rich blood away from the heart.

Veins carry oxygen poor blood back to the heart.

The job of the heart is to . . .

This particular blood vessel carries deoxygenated blood away from the heart to the lungs.

Both the superior & inferior vena cava carry blood in to the

This particular blood vessel carries oxygenated blood to the heart coming from the lungs.

___ takes place when blood travels from the heart, through the lungs, and back to the heart.

___ takes place when oxygen-rich blood travels to all body tissues except the lungs.

The cells of all living thing are made up of

The largest artery in the body is

All of the protoplasm that surrounds the nucleus.

A collection of similar cells that perform a particular function.

Membranous tissue covering internal organs and other internal surfaces of the body

Serves to support, protect, and bind together tissues of the body.

blood & lymph, carries food, waste products and hormones through the body

Carries messages to and from the brain. Nerve tissue is composed of special cell known as " Neurons"

Tissue that has the ability to shorten (contract) and elongate (stretch) to produce movement and include types such as smooth, cardiac and skeletal tissue.

Connective tissue specialized for fat storage that includes yellow bone marrow; also insulates the body against heat loss, provides fuel reserves for energy and provides a cushion around certain structures (examples: heart, kidneys and some joints).

The active protoplasm found in the center of the cell.