CH 7 Human Body Systems Chapter review

The lymphatic system produces white blood cells that help fight bacteria and viruses?

Which part of the blood fights diseases and toxins?

When undigested food leaves the small intestine it goes out the rectum.

After food passes through the mouth, esophagus, and stomach, it then goes to the:

One job of the skeletal system is to provide support for the body.

The brain is part of the central nervous system.

What is the maintenance of steady internal conditions in the body?

The spinal cord is part of the central nervous system.

The purpose of the excretory system is to send chemicals ( hormones) to organs in the body.

After food leaves the esophagus, it goes into the small intestine.

The skeletal system can work without the muscular system.

When food leaves the small intestine, the nutrients enter the blood.

Ova is a gamete.

The basic unit of the nervous system

One job of the skeletal system is to store fat.

One job of the skeletal system is to protect organs in the body.

Sperm and ova are gametes.

Is a zygote a gamete?

Which part of the blood carries nutrients?

Which part of the blood carries oxygen?

How many bones are in a human body?

Which system helps the body move?

The thymus is part of the central nervous system.

What is the purpose of the circulatory system?

A chemical signal sent to the body is a:

The period of time when the reproductive system develops is: