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Crossword Science › Human Body

Lesson 3 - Your Heart and Lungs

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Find all the vocabulary words from Lesson 3. THIS ASSIGNMENT IS DUE FRIDAY OCTOBER 3RD.

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Crossword clues

Solve these clues to fill the grid.

Gas in the air that we need to breathe
3 Across
The arrangement of the body and its limbs
4 Across
The organ of smell and entrance to the respiratory tract
6 Across
An alkaloid poison that occurs in tobacco
9 Across
Either of two saclike respiratory organs in the chest of vertebrates (plural)
10 Across
Of or relating to ___
12 Across
A heavy odorless colorless gas formed during respiration and by the decomposition of organic
14 Across
Organ that pumps blood around the body
15 Across
Physical activity that keeps you fit
1 Down
Red liquid pumped around the body by the heart
2 Down
Pertaining to ___
5 Down
A blood vessel that carries blood from the heart to the body
7 Down
Membranous tube with cartilaginous rings that conveys inhaled air from the larynx to the bronchi
8 Down
The passage to the stomach and lungs
11 Down
A blood vessel that carries blood from the capillaries toward the heart
13 Down

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