Circulatory System

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Tags

NGSS.MS-LS1-3

How many types of blood vessels are in our body?

• 1
• 2
• 3
• 4

Veins carry oxygen poor blood back to the heart.

• False

• True

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

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

• respiratory
• digestive
• muscular
• skeletal

Tags

NGSS.HS-LS1-7

The heart has ___ chambers.

• 1
• 2
• 3
• 4

What does Deoxygenated mean?

• Oxygen-rich
• Blood flow
• Oxygen-poor
• Water Flow

What is the Circulatory System also known as?

• The heart
• Cardiovascular System
• Nervous System
• Aorta

What do Red-Blood cells do?

• Carry oxygen from the lungs to the body cells and  transport carbon dioxide from the cells back to the lungs
• keeps blood flowing in one direction to the heart and prevent blood from flowing backwards
• Collects  blood from the capillaries and drain it into the veins
• Bring nutriients to the cells and carries away waste materials.

Tags

NGSS.MS-LS1-2

NGSS.MS-LS1-3