1.
– A tube that carries air from the windpipe into the lungs (B, 8 letters)
2.
– Tiny pockets in the lungs where oxygen enters the blood and carbon dioxide leaves. (A.S., 3 and 4 letters)
3.
– A test that measures how fast you can blow air out of your lungs. (P.F., 4 and 4 letters)
4.
– The body system that moves blood around using the heart and blood vessels. (C, 11 letters)
5.
– The body system that helps you breathe in oxygen and breathe out carbon dioxide. (R, 11 letters)
6.
– The muscle that pumps blood around your body. (H, 5 letters)
7.
– A blood vessel that carries blood away from the heart. (A, 6 letters)
8.
– A blood vessel that carries blood back to the heart. (V, 4 letters)
9.
– Very tiny blood vessels where oxygen and nutrients move into the body’s cells. (C, 9 letters)
10.
– The force of blood pushing against the walls of your blood vessels. (B.P., 5 and 8 letters)
11.
– The body system that breaks down food so your body can use it. (D, 9 letters)
12.
– A long, narrow part of the digestive system where most nutrients from food are absorbed. (S.I., 5 and 10 letters)
13.
– A chemical used to test for sugar in food; it turns orange if sugar is present. (B.S., 9 and 8 letters)
14.
– The process your body uses to turn food into energy. (R, 11 letters)
