Human Body Systems Review

A very thin vessel in which gases, nutrients, and wastes pass to and from the body cells

Your large intestine is about how long?

How many chambers make up the heart?

A blood vessel that carries blood BACK to the heart is called?

A system of organs that exchange gases with the environment is called?

Tubes that lead to the bladder are called?

What organ's main job is to filter waste from the blood?

Your small intestine is thin but can absorb the surface area of a?

The heart is a muscle about the size of...

The best way to keep your excretory system working well is to...

A blood vessel that carries blood AWAY from the heart is called? 

What helps the body fight diseases?

What does saliva contain that helps break down food?

In what part of the digestive system does MOST digestion occur?

What changes nitrogen into a compound called urea?

A muscular organ at the center of the circulatory system that pumps blood through vessels

What is the main job of your digestive system?

Air moves from your nose to a tube called the?

What is the muscular tube that pushes food toward the stomach called?

What is a muscular bag that holds urine?