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WorksheetsHuman Body Systems I
Total questions: 14
Worksheet time: 16mins
What are the functions of the respiratory system?
Select ALL that apply.
provides oxygen for your cells
removes CO2 and H2O when you exhale
carries oxygen and nutrients
provides shape and support for muscles
the small air sacs at the ends of the bronchi where actual gas exchange occurs
alveoli
breathing
cartilage
cell
homeostasis
What are the main organs of the circulatory system?
brain, spine, & nerves
heart, arteries, & veins
heart, lungs, & veins
skin, nails, & hair
What is the function (job) of the white blood cells?
To transport oxygen around the body.
To carry dissolved sugars.
To clot and cover wounds like cuts and grazes.
To release antibodies to help destroy infections.
What is the function (job) of the red blood cells?
To transport oxygen around the body and to the muscles.
To release antibodies to fight infections.
To carry dissolved nutrients and sugars.
To clot and form scabs if there is a wound on the body.
Which blood vessels take blood TO the heart?
Veins
Arteries
Capillaries
Which blood vessels take blood AWAY from the heart?
Veins
Arteries
Capillaries
Which is the smallest of the 3 blood vessels?
Veins
Arteries
Capillaries
