北师大版（2019） 选择性必修第三册 Unit 9 Human Biology Lesson 2 Brain Power课件-(20张pp)

(共19张PPT)
Unit 9 Human Biology
Lesson 2 Brain Power
Activate and share
I
Listen for understanding
II
III
Focus on function
Speak
Ⅳ
outline
Ⅰ
Activate and share
Activate and Share
Match the words from the box with their definitions.
atom billion cell nerve organ
1. one thousand million
2. a part of the body that has a particular purpose, e.g. the heart
3. the smallest piece of something that can exist alone
4. a tiny part of the body that helps carry messages to and from the brain
5. a unit of living matter
(cell)
(billion)
(organ)
(atom)
(nerve)
Ⅱ
Listen for understanding
Listen for understanding
Complete the information you hear about the brain.
What matter does it consist of Grey and white matter
How much does it weigh
How much body’s energy does it use
How many cells does it contain
just over a kilo
20 %
over one hundred billion cells
Listen for understanding
How are messages sent The brain cells make up _________, which are connected by _________ ____________. The brain sends messages using
————————.
eletrical impulses
nerve cells
electrical
impulses
Listen for understanding
What have we learnt about the brain in the last ten years There are different areas in the brain, which are ____________________________. We now know which parts of the brain ____________ different parts of our _______________ from them. The brain also has different areas for different kinds of _______. You have one area for your ____________ and another area for _________________________________________________________.
responsible for different functions
are related to
body and feelings
thinking
first language
a foreign language that you learn when you are older
Listen for understanding
The brain consists of 1 matter. It weighs 2 _____________. It uses 3 of the body’s energy. It contains over 4 ____________________ which make up nerve cells. These nerve cells are connected by electrical impulses. There are more possible connections in one brain than there are 5 .
Complete the summary with the words from the lecture.
grey and white
just over a kilo
20%
one hundred billion cells
atoms in the universe
Scientists have mapped different areas of the brain that are responsible for 6 . There are also different areas for different types of thinking, such as learning your own language and learning a 7 ______ language.
different functions
foreign
Listen for understanding
Complete the summary with the words from the lecture.
Ⅲ
Focus on function
Focus on Function
What problems do they have？ What can they do
Anna:___________________________________________________________________ ______________________
______________________
______________________
John:_______________________________________________________________________________________________ _________on junk food, ________________ of Omega-3 fats
Memory isn’t as good as it used to be, so do brain exercises really work
Exams are coming up, so he wonders if there are certain foods that are good for the brain.
challenge their brain with learning new things they are not good at
cut down
increase the intake
Focus on Function
What problems do they have？ What can they do
Bella: _________________________ ___________________________________________________________________________ _____________________
_____________________
_____________________
Is there any particular kind of exercise that can improve the health of her brain
do exercise that is good for the heart, such as walking and running
Focus on Function
Listen and plete the Talk Builder.
Asking for and Giving Advice
Asking for advice
1. ________ try them
2. ________________, Professor Kim
3. So what kinds of activities _____________
4. Is there any particular kind of exercise … ______________
Talk Builder
Should I
What’s your advice
do you suggest
What should I do
Focus on Function
Listen and plete the Talk Builder.
Asking for and Giving Advice
Giving advice
1. _________ try learning a new language…
2. __________________ is to cut down on junk food.
3. _________________________ increase your intake of…
4. ____________ do exercise that is good for your heart.
Talk Builder
You could
One thing you can do
It might also be a good idea to
I advise you to
Ⅳ
Speak
Speak
Search online in groups for more ways to increase brain power. Then give a short presentation to the class.
VI
Homework
How will you improve your brain power Make a list and explain pare and discuss your list with your group members.
Homework