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How We Breathe
1.Living things oxygen to stay alive...4
2.Body cells use oxygen to relase energy...6
3.The respiratory system takes oxygen ino the body...8
4.Breathed-in air is warmed and cleaned...10
5.The network of passages carries air...12
6.The structure of the lungs..14
7.Oxygen enters the bllod and is carried to the body cells...16
8.Muscles move air into and out of the lungs...18
9.The breathing rate changes during exercise...20
10.The larynx, Tongue and lips Produce sounds...22
11.Couching, sneezing and other breathing movements...24
12.Problems that make it hard to breathe....26
13.Surviving in places where oxygen is scare...28
14.Glossary...30
15.Find Out More....31
16.Index...32
6123WALh | 612.3//WAL/h | Perpustakaan STIKes BTH (6) | Tersedia |
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