Circulatory System

Which system allows blood to circulate throughout the body to transport oxygen and nutrients to all the cells and tissues?

• Nervous

• Respiratory

• Circulatory

These cells, in the blood, carry oxygen and give the blood its color.

• white blood cells

• plasma

• platelets

• red blood cells

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The cells in the blood that help fight germs like bacteria and viruses

• red blood cells

• platelets

• white blood cells

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What is the main organ of the circulatory system?

• small intestine

• bone

• lungs

• heart

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.

What is the circulatory system made up of?

• Lungs, blood, blood vessels

• Liver, kidneys, and stomach

• Heart, Blood Vessels, and Blood

Which of the following does blood help transport throughout the body?

• undigested food

• Nutrients

• Gases (oxygen and carbon dioxide)

• hormones like adrenaline

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In which system of the human body does the heart belong?

• Nervous
• Skeletal
• Cardiovascular
• Digestive

Where in your body can you find blood vessels?

• around the heart
• in hands & feet
• in your head
• virtually everywhere

This type of vessel carries blood TO the heart:

• vein
• nerve
• muscle
• artery