北师大版选修七：Unit21 Human Biology Warm up课件（15张ppt）

(共14张PPT)
北师大版
选修7
Unit21 Human Biology
Warm up
Body and Health
(speaking)
liver
brain
lungs
stomach
heart
kidney
Listen and Guess
brain
heart
lungs
eye
stomach
Read and Guess
消 化
维 生 素
矿 物 质
Fresh fruits are rich in vitamins like VB and VC.
When we eat too much, our stomach may not digest all the food.
Our body also needs minerals such as Calcium (Ca).
Do you look after yourself well
A Questionnaire
How long is it enough for us to sleep
How often should we brush our teeth
Should we do exercise regularly
Can we often eat sweets？
What should we eat more
What have we learnt
Seven or eight hours sleep is sufficient.
at least two times to keep clean
So we should, or the body couldn’t be built up.
No. Sweets contain much calorie and are bad for teeth.
fresh fruits and vegetables, easy to digest, rich in vitamins
Discussion
the secret to a healthy life
eating
sleeping
exercise

Speaking
a healthy life--eating
What does this picture mean
Speaking a healthy life---exercise
What benefits can we get from exercise
Speaking
a healthy life---rest
Speaking
a healthy life--- mood
1.What mood should we keep
2.Why
3.How to keep it
Money can’t buy health, but health can make anything possible.
Assignment
Interview an old man and write a report about his lifestyle