Unit 4 Healthy Living Lesson 12 Healthy Bones1 课件41张

U4 Lesson 12 Healthy Bones 1
初二年级 英语
Do you know anything about bones?
{2D5ABB26-0587-4C30-8999-92F81FD0307C}bone
n. 骨头
Lesson 12 Healthy Bones
Free Talk
Free Talk
Bones are hard on the outside, but they are soft on the inside.
{2D5ABB26-0587-4C30-8999-92F81FD0307C}
outside
n. 外面，外部
adj. 外面的
adv. 在（或向）外面
prep. 在……外面
{2D5ABB26-0587-4C30-8999-92F81FD0307C}
inside
n. 里面，内部
adj. 里面的
adv. 在（或向）里面
prep. 在……里面
{2D5ABB26-0587-4C30-8999-92F81FD0307C}blood
n. 血
Bones are important because
they can make blood. Blood carries
nutrients through our bodies.
Free Talk
{2D5ABB26-0587-4C30-8999-92F81FD0307C}nutrient
n. 营养；营养物
{2D5ABB26-0587-4C30-8999-92F81FD0307C}calcium
n. 钙
We need calcium, because
it can make our bones solid.
Free Talk
How can we keep our bones healthy?
{2D5ABB26-0587-4C30-8999-92F81FD0307C}solid
adj. 坚硬的
{2D5ABB26-0587-4C30-8999-92F81FD0307C}bone
n.骨头
blood
n. 血
hold
v. 拿着
outside
n. 外面，外部
adj. 外面的 adv. 在（或向）外面
prep. 在……外面
New Words
{2D5ABB26-0587-4C30-8999-92F81FD0307C}inside
n. 里面，内部
adj. 里面的 adv. 在（或向）里面
prep. 在……里面
nutrient
n. 营养，营养物
waste
n. 废物；浪费 v. 浪费
calcium
n. 钙
vitamin
n. 维生素，维他命
New Words
The smallest bone in our body is in our head.
A twenty-year-old man has more bones than a baby.
Our bones stop growing when we are 21-25.
Read the following sentences. Which one is false?
The smallest bone in our body is in our head.
Check the answers.
The smallest bone in the body is in your ear and is called the stirrup bone (stapes) .
{2D5ABB26-0587-4C30-8999-92F81FD0307C}镫骨
2. A twenty-year-old man has more bones than a baby.
Check the answers.
Adults have less bones than babies because some of their bones fuse together to form one bone when they grow up.
3. Our bones stop growing when we are 21-25.
Check the answers.
Women’s bones stop growing around the age of 20, while men’s stop around 25.
Look at the pictures and skim the text. Choose the best title.
Paragraph 1
Read the text.
Every time we walk, sit down or hold a book, we are using our bones. Bones are important because they support our bodies and help us move freely. Although they are very light, bones are strong enough to support our weight.
Read the text.
Bones are hard on the outside, but they are soft on the inside. The soft part of the bone makes our blood. Blood carries nutrients through our bodies. It also helps move waste materials away so our bodies can stay healthy.
Paragraph 2
Read the text.
Calcium makes our bones solid, so we need to get enough of it each day. We can get calcium easily from milk, some vegetables and other foods.
Paragraph 3
Read the text.
Paragraph 4
Vitamin D is also important because it helps calcium work well in our bodies. Although we get vitamin D from food like fish and eggs, we can also get it from the sun! Try to get a bit of sun every day so you can have healthier bones!
Read the text.
Paragraph 5
Exercise improves our bone health too, so make it a habit. Running, jumping and dancing are all good exercise, but even daily activities like walking and climbing stairs can help keep our bones healthy and strong!
Skim the key sentences of each paragraph.
Every time we walk, sit down or hold a book, we are using our bones. Bones are important because they support our bodies and help us move freely. Although they are very light, bones are strong enough to support our weight.
Paragraph 1
Bones are hard on the outside, but they are soft on the inside. The soft part of the bone makes our blood. Blood carries nutrients through our bodies. It also helps move waste materials away so our bodies can stay healthy.
Paragraph 2
Skim the key sentences of each paragraph.
Calcium makes our bones solid, so we need to get enough of it each day. We can get calcium easily from milk, some vegetables and other foods.
Paragraph 3
Skim the key sentences of each paragraph.
Paragraph 4
Vitamin D is also important because it helps calcium work well in our bodies. Although we get vitamin D from food like fish and eggs, we can also get it from the sun! Try to get a bit of sun every day so you can have healthier bones!
Skim the key sentences of each paragraph.
Paragraph 5
Exercise improves our bone health too, so make it a habit. Running, jumping and dancing are all good exercise, but even daily activities like walking and climbing stairs can help keep our bones healthy and strong!
Skim the key sentences of each paragraph.
Check the answers.
Bones are important …
Bones are hard on the outside, but …
Calcium makes our bones solid, …
Vitamin D is also important …
Exercise improves our bone health too, …
Read the text again and answer the following questions.
1. Are bones weak?
2. Are bones hard on the inside?
3. What do bones make?
4. Why is blood important?
5. What can we do to keep our bones healthy?
Paragraph 1
Read the text.
Every time we walk, sit down or hold a book, we are using our bones. Bones are important because they support our bodies and help us move freely. Although they are very light, bones are strong enough to support our weight.
Read the text.
Bones are hard on the outside, but they are soft on the inside. The soft part of the bone makes our blood. Blood carries nutrients through our bodies. It also helps move waste materials away so our bodies can stay healthy.
Paragraph 2
Read the text.
Calcium makes our bones solid, so we need to get enough of it each day. We can get calcium easily from milk, some vegetables and other foods.
Paragraph 3
Read the text.
Paragraph 4
Vitamin D is also important because it helps calcium work well in our bodies. Although we get vitamin D from food like fish and eggs, we can also get it from the sun! Try to get a bit of sun every day so you can have healthier bones!
Read the text.
Paragraph 5
Exercise improves our bone health too, so make it a habit. Running, jumping and dancing are all good exercise, but even daily activities like walking and climbing stairs can help keep our bones healthy and strong!
Are bones weak?
No, they are strong.
Check the answers.
Every time we walk, sit down or hold a book, we are using our bones. Bones are important because they support our bodies and help us move freely. Although they are very light, bones are strong enough to support our weight.
Bones are hard on the outside, but they are soft on the inside. The soft part of the bone makes our blood. Blood carries nutrients through our bodies. It also helps move waste materials away so our bodies can stay healthy.
2. Are bones hard on the inside?
No, bones are soft on the inside.
Check the answers.
3. What do bones make?
The soft part of the bone makes our blood.
Check the answers.
Bones are hard on the outside, but they are soft on the inside. The soft part of the bone makes our blood. Blood carries nutrients through our bodies. It also helps move waste materials away so our bodies can stay healthy.
4. Why is blood important?
Blood carries nutrients through our bodies and it also helps
move waste materials away.
Check the answers.
Paragraph 2
… Blood carries nutrients through our bodies. It also helps move waste materials away so our bodies can stay healthy.
5. What can we do to keep our bones healthy?
We should get enough calcium and vitamin D, and we should
exercise daily.
Check the answers.
Paragraph 3: Calcium makes our bones solid, …
Paragraph 4: Vitamin D is also important …
Paragraph 5: Exercise improves our bone health too, …
Paragraph 1
Read the text aloud.
Every time we walk, sit down or hold a book, we are using our bones. Bones are important because they support our bodies and help us move freely. Although they are very light, bones are strong enough to support our weight.
Read the text aloud.
Bones are hard on the outside, but they are soft on the inside. The soft part of the bone makes our blood. Blood carries nutrients through our bodies. It also helps move waste materials away so our bodies can stay healthy.
Paragraph 2
Read the text aloud.
Calcium makes our bones solid, so we need to get enough of it each day. We can get calcium easily from milk, some vegetables and other foods.
Paragraph 3
Read the text aloud.
Paragraph 4
Vitamin D is also important because it helps calcium work well in our bodies. Although we get vitamin D from food like fish and eggs, we can also get it from the sun! Try to get a bit of sun every day so you can have healthier bones!
Read the text aloud.
Paragraph 5
Exercise improves our bone health too, so make it a habit. Running, jumping and dancing are all good exercise, but even daily activities like walking and climbing stairs can help keep our bones healthy and strong!
Discussion
What will you do to keep your bones healthy?
e.g. I will drink milk every day and do some exercise every week.
Homework
{2D5ABB26-0587-4C30-8999-92F81FD0307C}1.
朗读教材P46 Lesson 12的课文；
2.
完成教材P104的练习A和C。