Topic 8: Human Body Systems

a group of the same kind of cells with a particular function

the main respiratory organ that takes in and releases air

an organ that contracts and relaxes to make bones move

a muscle below the lungs that causes the flow of air into and out of the lungs

to stretch or strengthen

a group of tissues that has a specific function

an organ that pumps blood

The organ that surrounds and protects the body

a group of organs that work together to fill a specific need of the body

the bones in the human body that interact to move, protect the body, and give it shape

The job that something is made to do