Circulatory System

Front

What is the main function of the circulatory system?

Back

Transportation of nutrients, gases, hormones, blood cells, etc. throughout the body.

Front

What is the largest artery in the human body?

Back

The aorta.

Front

What process allows oxygen to enter the blood in the lungs?

Back

Diffusion.

Front

What protein in red blood cells carries oxygen?

Back

Haemoglobin.

Front

What is the smallest type of blood vessel?

Back

Capillary.

Front

What type of blood vessel carries blood away from the heart?

Back

Artery.

Front

What type of blood vessel carries blood back to the heart?

Back

Vein.

Front

What is the liquid component of blood called?

Back

Plasma.

Front

What is the role of white blood cells in the circulatory system?

Back

To fight infection and disease.

Front

What is the average resting heart rate for a teenager?

Back

60 to 100 beats per minute.