Digestion and Circulation

Front

What is the function of valves in the circulatory system?

Back

Valves prevent blood from flowing backward, ensuring it moves in one direction through the heart and blood vessels.

Front

What are veins?

Back

Veins are blood vessels that carry blood back to the heart from the body.

Front

What organ pumps blood throughout the body?

Back

The heart pumps blood through the circulatory system.

Front

What substance protects the stomach lining?

Back

Mucus coats and protects the inside of the stomach from digestive acids.

Front

What are capillaries?

Back

Capillaries are tiny blood vessels where the exchange of substances between blood and body cells occurs.

Front

What is the role of the aorta?

Back

The aorta is the largest artery in the body, carrying oxygen-rich blood from the heart to the rest of the body.

Front

What is the difference between arteries and veins?

Back

Arteries carry oxygen-rich blood away from the heart, while veins carry oxygen-poor blood back to the heart.

Front

What is digestion?

Back

Digestion is the process of breaking down food into smaller molecules that the body can absorb and use.

Front

What is the role of the pancreas in digestion?

Back

The pancreas produces digestive enzymes and hormones, such as insulin, that help regulate blood sugar.

Front

What is bile and its function?

Back

Bile is a digestive fluid produced by the liver that helps break down fats in the small intestine.