Circulatory and Respiratory Systems

What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

Tags

NGSS.MS-LS1-3

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 . . .

• a basketball

• your fist

• a tire

• your foot

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

Blood carry ________ and _______ to your body cells

• Nitrogen and Oxygen

• Nutrients and Plasma

• Oxygen and Nutrients

• Iron and antibodies

Blood carries ____________ AWAY from your body cells.

• Oxygen

• Nutrients

• Waste

• Water

The circulatory system is made up of which of the following

• Lungs

• Heart

• Skeletal System

• Blood Vessels

• Blood

The main organ of the circulatory system

• Lungs

• Brain

• Heart

• Stomach

White Blood Cells ________________ infection

• Cause

• Fight

• Develop

• Create