Front

Which system pumps blood through your body?

Back

The circulatory system is responsible for pumping blood throughout the body.

Front

What important substance is replenished as blood flows through the heart?

Back

Oxygen is replenished in the blood as it flows through the heart.

Front

What happens to what's left of our food after it goes through the intestines?

Back

The leftover food is disposed of in the bathroom.

Front

Which part of your digestive system absorbs nutrients into your bloodstream?

Back

The intestine absorbs nutrients into the bloodstream.

Front

When Dr. Jeff bends his arms to lift this weight, what is happening to his bicep muscle?

Back

His bicep muscle is contracting.

Front

What is the main function of the respiratory system?

Back

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

Front

What organ is primarily responsible for filtering blood in the body?

Back

The kidneys filter blood to remove waste and excess substances.

Front

What is the role of the heart in the circulatory system?

Back

The heart pumps blood throughout the body, supplying oxygen and nutrients.

Front

What do we call the tubes that carry blood away from the heart?

Back

Arteries carry blood away from the heart.

Front

What is the function of the stomach in the digestive system?

Back

The stomach breaks down food using acids and enzymes.