Circulatory system

Which blood vessels carry blood away from the heart?

• Arteries

• Veins

• Capillaries

The job of the heart is to . . .

• pump blood around the body.

• send food to the small intestines.

• break down food.

• give energy to the body.

Tags

NGSS.4-LS1-1

______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries

What is the largest artery in the human body called?

• Vena Cava

• Aorta

• Pulmonary Vein

• Pulmonary Artery

The upper chambers of the heart are known as...

• valves

• ventricles

• atrium

• septum

The lower chambers of the heart are known as...

• valves
• ventricles
• atria
• septum

What is the main organ in the circulatory system?

• vein
• lung
• heart
• aorta 

The circulatory system works which organ to provide our body with oxygen?

• Lungs

• Heart

• Muscles

• Skin

The ______ fight bacteria and viruses.

• hemoglobin
• platelets
• red blood cells
• white blood cells

What part of your blood carries oxygen to your body?

• White blood cells

• Red blood cells

• Platelets

• Plasma