Cardiovascular System

Identify the structure highlighted in red

The left ventricular wall of the heart is thicker than the right ventricular wall, so it can

• accommodate a greater volume of blood.

• expand the thoracic cage during diastole.

• pump blood with greater pressure.

• pump blood through a smaller valve.

• it is more susceptible to infections

The heart chamber that pumps oxygenated blood to the systemic circuit is the

• right atrium

• left atrium

• right ventricle

• left ventricle

• superior vena cava

Identify the structure highlighted in blue

Tags

NGSS.HS-LS1-2

What is the primary function of the cardiovascular system?

• To digest food

• To transport nutrients and oxygen to cells

• To produce hormones

• To store energy

Which of the following components is NOT part of the cardiovascular system?

• Heart

• Blood vessels

• Lungs

• Blood

Which of the following best describes the cardiovascular system?

• A network of nerves that controls body movements

• A system that includes the heart, blood, and blood vessels

• A group of organs that digest food

• A collection of bones that support the body

What role does the heart play in the cardiovascular system?

• It filters blood

• It pumps blood throughout the body

• It stores oxygen

• It produces red blood cells

What is the main type of blood vessel that carries blood away from the heart?

• Veins

• Arteries

• Capillaries

• Lymphatic vessels

How does the cardiovascular system contribute to homeostasis?

• By producing hormones

• By maintaining a constant internal environment

• By breaking down food

• By storing fat

Tags

NGSS.HS-LS1-3