Circulatory System

Which of the following is a synonym for the circulatory system?

• respiratory system
• digestive system
• nervous system
• cardiovascular system

Which is responsible for providing oxygen to cells?

• respiratory system
• circulatory system
• muscular system
• nervous system

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

• Nervous
• Skeletal
• Cardiovascular
• Digestive

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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This type of vessel carries blood TO the heart:

• vein
• nerve
• muscle
• artery

When oxygen-rich blood is carried AWAY from the heart, it travels through an...

• artery
• neuron
• vein
• straw

The smallest type of blood vessel is the:

• nerve
• vein
• capillary
• artery

The cells in the blood that help fight germs and illnesses are the...

• red blood cells
• platelets
• white blood cells
• axons

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

• respiratory 
• digestive
• skeletal
• nervous

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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.

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