Main Organs in the Circulatory System

What is the main role of the circulatory system?

• To produce blood cells

• To move nutrients, hormones, oxygen, and other gases to the body's organs, muscles, and tissues

• To filter out waste products from the body

• To regulate body temperature

What is the function of veins in the circulatory system?

• They carry oxygen away from the heart.

• They carry oxygen to the heart.

• They wrap around organs.

• They pump blood throughout the body.

Which of the following are considered the main components of the circulatory system?

• Blood, Heart, Veins, Arteries, Capillaries

• Blood, Heart, Lungs, Stomach, Brain

• Blood, Heart, Muscles, Bones, Skin

• Blood, Heart, Kidneys, Liver, Pancreas

What is the role of capillaries in the circulatory system?

• They carry oxygen to the heart.

• They carry oxygen away from the heart.

• They are small vessels that wrap around organs.

• They pump blood throughout the body.

What is the primary function of arteries?

• They carry oxygen to the heart.

• They carry oxygen away from the heart.

• They wrap around organs.

• They pump blood throughout the body.

What is the large artery that carries oxygenated blood from the left ventricle to the body?

• Pulmonary artery

• Aorta

• Superior vena cava

• Pulmonary vein

Which vessel carries deoxygenated blood from the lower half of the body to the right atrium?

• Pulmonary vein

• Aorta

• Inferior vena cava

• Pulmonary artery

Which structure in the heart is responsible for pumping oxygenated blood into the systemic circulation?

• Right ventricle

• Left atrium

• Left ventricle

• Right atrium

What is the name of the vein that carries deoxygenated blood from the upper body to the right atrium?

• Inferior vena cava

• Aorta

• Pulmonary vein

• Superior vena cava

Which artery supplies blood to the right atrium and right ventricle of the heart?

• Left coronary artery

• Right coronary artery

• Anterior interventricular artery

• Circumflex artery