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20 questions
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
The cells in the blood that help fight germs like bacteria and viruses
red blood cells
platelets
white blood cells
The circulatory system works with the __________ system to obtain energy from nutrients that we eat.
respiratory
digestive
skeletal
nervous
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.
The circulatory system works with the ___________ system to provide our body with oxygen.
respiratory
digestive
muscular
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 is NOT transported throughout the body by the blood?
undigested food
Nutrients
Gases (oxygen and carbon dioxide)
hormones like adrenaline
These blood vessels take oxygenated blood to the body cells.
heart
artery
vein
capillary
These blood vessels carry deoxygenated blood to the lungs.
heart
capillaries
veins
arteries
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