Human Body List #2

blood vessels that carry blood back to the heart

• veins

• arteries

• heart

the last section of the digestive system, where water is absorbed from food and the remaining material is eliminated from the body

• small intestine

• large intestine

• pancreas

a muscular and elastic sac that serves mainly to store food, break it up mechanically, and begin chemical digestion of proteins and fat

• trachea

• esophagus

• stomach

to draw together; to reduce in size

• expand

• contract

bundled axons that form neural "cables" connecting the central nervous system with muscles, glands, and sense organs

• veins

• arteries

• bones

• nerves

the mass of nerve tissue that is the main control center of the nervous system

• brain

• heart

• bones

windpipe; allows air to pass to and from lungs

• arteries

• contract

• trachea

• muscles

tubelike structures that carry blood throughout the body

• arteries

• blood vessels

• heart

to open up; to make or grow larger

• contract

• expand

nerves that run up and down the length of the back and transmit most messages between the body and brain

• spinal cord

• large intestine

• small intestine