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Crossword Science › Human Body

Take A Breath

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Find as many words as you can! See you can find them all first! This is also a great way to practice your vocabulary for the respiratory system.

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Crossword clues

Solve these clues to fill the grid.

Either of two saclike respiratory organs in the chest of vertebrates (plural)
4 Across
To draw air into, and expel out of, the lungs
5 Across
A heavy odorless colorless gas formed during respiration and by the decomposition of organic
8 Across
A mixture of gases required for breathing
12 Across
One of the tubules forming the respiratory system of most insects and many arachnids
13 Across
Gas in the air that we need to breathe
15 Across
Study of the natural world through experiments
1 Down
Membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi
2 Down
The organ of smell and entrance to the respiratory tract
3 Down
The passage between the pharynx and the stomach
6 Down
A mechanical device in a camera that controls size of aperture of the lens
7 Down
Pertaining to ___
9 Down
The opening through which food is taken in and vocalizations emerge
10 Down
Protective secretion of the mucous membranes
11 Down
A sudden noisy expulsion of air from the lungs that clears the air passages
14 Down

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