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Breathing, respiration and gas exchange

The starter and exit quiz of the lesson “Breathing, respiration and gas exchange”, from the unit “Breathing and respiration” (Year 9 Science) by Oak National Academy.

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Oak National Academy

12 questions

What do humans need to breathe in, to stay alive?
___ is the movement of particles from an area of high concentration to an area of low concentration.
Which of the following is the place inside a cell where cellular respiration takes place?
The human body...
Which of the following is used by the body as a source of energy?
Oxygen is transported from the lungs to cells around the body by travelling in the ___.
What is in the air we breathe **in**?
What is in the air we breathe **out**?
Which process involves moving air into the lungs?
Which process takes place in the mitochondria of cells?
Which process involves diffusion of gases between air sacs in the lungs and blood vessels?
Which process produces carbon dioxide as a waste product and provides energy for life processes in cells?

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