Cardiovascular System

Which of the following are the blood vessels that helps blood flow to the heart?

• Veins
• Arteries
• Cappillaries

Which of the following are the blood vessels that have a wall that is 1 cell thick?

• Veins
• Arteries
• Cappillaries

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Tags

NGSS.MS-LS1-3

Arteries carry oxygen rich blood away from the heart.

• True

• False

Veins carry oxygen poor blood back to the heart.

• False

• True

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

Which is NOT a function of the circulatory system?

• deliver O₂ and nutrients to cells
• remove CO₂ and wastes from cells
• break down carbohydrates into glucose
• transport other materials through body

arteries, veins, and capillaries are three types of __________

• heart valves
• blood vessels
• cells
• veins

What does Deoxygenated mean?

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

Tags

NGSS.HS-LS1-7