北师大版高中英语选修7 Unit21 Warm up参考课件

is made up of two sides. It is like a super ____________
processes information. computer that ________
2. This organ ____ beats 100,000 times a day. With each
________ breathing and when blood passes through, they give
it oxygen.
4. This is a very delicate organ. It is moved by six muscles and _________ _______ consists of varies different layers. Light enters and reaches and special light camera and sensitive cells. This works like a ______ finally sends signals to the brain.
eye
Delicate organ. Light enters and reaches special light sensitive cells. Work like a camera.
liver
The size of a closed hand.
Break down the food.
Tapescript weighs about a kilo and 1. This organ ______
beat it moves eighty milliliters of blood –that is
pumps blood into 8,000 liters of blood per day. It ______
the lungs, where it receives ______, oxygen before being
5. This is about the size of a __________. closed hand Its job
is to break down the food we eat so that we have energy and can be healthy and strong.
Memory
Unit21 Human Biology
Warm-up
Key words: The Body
ankle, brain, eye, heart, kidneys, bone, knee, liver, lungs, skin, stomach, wrist, fingers
Listen and guess which parts of the body are being described. Which words helped you decide?
1. 2986829
2. 8702816
3. 8685546 4. 6877833
5. 3349059
Hearing

Try to get what you hear.
Heart •Find the pulse of your partner
brain
Two sides and is like computer that processes information
heart
Beats 100,000 times a day, pumps blood into the lungs
lungs
ห้องสมุดไป่ตู้
Absorb oxygen
Get rid of carbon dioxide Either side of the heart
pumped around the rest of the body.
get rid of 3. These organs _______ absorbs oxygen and ________ situated on the either side carbon dioxide. They are _______ of the heart. They receive air as a result of