Human Body Systems

Front

What is the circulatory system?

Back

The circulatory system is the system in the body that pumps blood and transports nutrients, oxygen, and waste products throughout the body.

Front

What does the heart do?

Back

The heart pumps blood through the circulatory system, supplying oxygen and nutrients to the body and removing waste.

Front

What is oxygen?

Back

Oxygen is a gas that is essential for human life. It is carried by the blood from the lungs to the body's cells.

Front

What is the role of the respiratory system?

Back

The respiratory system is responsible for taking in oxygen and expelling carbon dioxide from the body.

Front

Where does breathing occur?

Back

Breathing occurs in the lungs, where oxygen is exchanged for carbon dioxide.

Front

What is digestion?

Back

Digestion is the process of breaking down food into smaller parts so that the body can absorb nutrients.

Front

Where does digestion start?

Back

Digestion starts in the mouth, where food is chewed and mixed with saliva.

Front

What is the function of the intestines?

Back

The intestines absorb nutrients from digested food into the bloodstream.

Front

What is the muscular system?

Back

The muscular system is made up of muscles that allow the body to move and perform various activities.

Front

How do the circulatory and respiratory systems work together?

Back

The circulatory and respiratory systems work together to deliver oxygen to the body and remove carbon dioxide.