heart

How many types of blood vessels are in our body?

• 1
• 2
• 3
• 4

How does the heart work?

• It pumps blood first to the lungs, back to the heart and then around the rest of the body.

• It pumps blood first to the rest of the body, back to the lungs and then to the heart.

• It pumps blood around the rest of the body, back to the heart and then to the lungs,

______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries

______________ are the second largest blood vessel. 

• Arteries
• Veins
• Capillaries

The circulatory system works with the ___________ system to provide our body with oxygen.

• respiratory
• digestive
• muscular
• skeletal

Identify

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

Identify

• Pulmonary veins
• Pulmonary artery
• Aorta
• Vena cava

Identify

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

Tags

NGSS.MS-LS1-3

Identify

• Left atrium
• Right atrium
• Left ventricle
• Right ventricle

The heart has ___ chambers.

• 1
• 2
• 3
• 4