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WorksheetsTransport (body systems)
Total questions: 10
Worksheet time: 5mins
During a strenuous workout, which of the following tells your body to increase your breathing rate?
Which structure prevents food from entering your lungs when you swallow?
Larynx
Which structure, also known as the windpipe, is the main passageway to your lungs?
When your diaphragm contracts,
you exhale.
you inhale.
you inhale and your chest cavity enlarges.
your chest cavity enlarges.
The muscular chambers that pump blood to the lungs or body are the
atria
aortas
valves
ventricles
What is the purpose of valves?
To prevent blood from flowing in the wrong direction.
Most blood cells are formed in the
What is the fluid portion of the blood?
Blood vessels that carry blood away from the heart are called
A blood clot forms when ______________ clump together.
