Science Human Body Systems

A tube that carries air to the lungs...

In the respiratory system, this dome-shaped muscle that forms the bottom of the chest area...

When does digestion begin?

This chamber pumps blood into an artery leading to the lungs...

A special hormone (chemical) secreted by the adrenal glands, especially in times of stress.

Which organs send chemicals to the small intestine to help digest food? 

Tubes in the lugs that branch out from the bronchibo

Around the wall of each air sac in the lungs is a web of...

Tiny hairlike structures on cells in the linings of many parts of the respiratory system.

The transportation system of the body is the...

Which organ stores a mix of waste and water until it is ready to leave the body? 

Very little arteries are called...

A thick, sticky fluid that traps dust, germs, and other tings that may be in the air. 

Which of the following tasks to the kidneys NOT perform? 

Which system in the human body is involved in removing wastes from the body. 

The body system that carries gases between the outside air and your blood is...

This carries food, water, and some chemicals to cells and wastes away from cells? 

Carry oxygen to your body's cells.

How does food move through the esophagus?

Commonly called the voice box

The gas that is expelled from your body via the respiratory system...

The smallest kind of blood vessel

This chamber of the heart receives blood carrying wastes and carbon dioxide from body cells...

Blood flows from the lungs in to the ....

"Flaps" in the blood stream that act like doors to keep blood flowing in one direction.

Which will the body make in greater numbers in response to an infection? 

What is the role of villi in the small intestine?

Which type of blood vessel takes blood from cells back to the heart?

This main part of the circulatory system that is also known as a "double pump" is the...

Cause blood clots to form, minimizing loss of blood from cuts

The gas that your respiratory system breathes in...

This chamber of the heart pushes oxygen-rich blood to the body...