Body Systems

Skeletal

100

The basic unit of a body structure?

Cell

300

How many vertebrates are in a person's lumbar vertebrae?

seven; c1-c7

Muscular

200

What is a blood vessel that carries blood back to the heart?

Vein

300

What is the blood vessel that carries blood AWAY from the heart?

An Artery

400

A tiny blood vessel

Capillary

500

What are the 3 types of muscles?

Smooth, Cardiac, and Skeletal