Front

What is the primary function of the systemic circulation?

Back

To transport oxygenated blood to the body and return deoxygenated blood to the heart.

Front

What is the term for the blood vessel layer that provides structural support and mainly comprises connective tissue?

Back

Tunica externa.

Front

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

Back

Arteries.

Front

Where is blood pressure highest in the circulatory system?

Back

Arteries.

Front

What is the function of veins in the circulatory system?

Back

To carry deoxygenated blood back to the heart.

Front

What is the role of capillaries in the circulatory system?

Back

To facilitate the exchange of oxygen, carbon dioxide, nutrients, and waste between blood and tissues.

Front

What is the main component of blood responsible for transporting oxygen?

Back

Red blood cells (erythrocytes).

Front

What is the liquid component of blood called?

Back

Plasma.

Front

What is the function of platelets in the blood?

Back

To aid in blood clotting.

Front

What is the average resting heart rate for a teenager?

Back

60 to 100 beats per minute.