The circulatory and respiratory systems

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

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.

The heart is about the size and shape of your . . .

• head

• fist

• hand

• foot

______________ are the smallest blood vessels.

• Arteries
• Veins
• Capillaries

______________ carry blood back to the heart.

• Arteries

• Veins

• Capillaries

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

• respiratory
• digestive
• muscular
• skeletal

The circulatory system works with the __________ system to obtain energy from nutrients that we eat. 

• respiratory 
• digestive
• skeletal
• nervous

Tags

NGSS.MS-LS1-7

Which is the correct definition of the Circulatory system?

• The system fights disease so the body stays healthy.
• The system that circulates blood and oxygen through the body, consisting of the heart,blood vessels,and blood.
• Breaks down food into smaller pieces and absorbs those nutrients into the body.
• Provides shape and structure for the body.

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