Page 7 - 新思维科学学生用书8 样章

1 Respiration

1.1 The human respiratory system

In this topic you will:

• learn the names of the different parts of the human
respiratory system
• observe carefully, and record your observations, as the
structure of lungs is demonstrated.

Getting started Key words

Respiration is one of the characteristics of living things. aerobic respiration
With a partner, decide which statement in each pair is air sacs
correct. bronchioles
Be ready to share your ideas.
bronchus
Respiration happens Respiration only

First pair: inside all the cells in or happens in cells cartilage
your body. in your lungs. larynx
respiration
Second Respiration releases or Respiration uses
pair: energy from food. up energy. respiratory system
trachea
Respiration
Respiration happens vocal cords
Third pair: or happens in animals
in all living things.
but not plants. voicebox

windpipe