Which Way Do you Prefer: Spending Leisure Time Indoors or Outdoors?

In other words, except near three hours in classes everyday, the rest of 5 hours I keep on sitting to work, which bring a harm to my cervical vertebra.

I get used to jogging before dinner or have a walk after dinner.

After thirty minutes’ jogging, it seems that all fatigue is taken away by sweat.

Jogging not only strengthens my cardio-pulmonary function and relieves muscle fatigue, but also helps to recovery my energy.

when only listing two things, use "and" instead of a comma.

As for walking, its major function is to release pressure and purify my spirit.

"its" shows walking's possesiveness over "major function"

Viewing peaceful and beautiful scenes can get my spirit away from some worries temporarily.

I recommend spending free time outdoors for another reason: which can expose people to fresh air and natural sunshine.

No creature can live without sunshine.

stay away from double-negatives

incorrect: No creature can't live without sunshine.
"can't" and "no" are two negatives. to fix the sentence and make it sound better, change "can't" to "can." No must stay to support "without" because "without" is a negative, however not neighboring "no."

Suitable exposure under the sun will promote human bodies to absorb Vitamin D, and will also be good for the development children’s eye sight.

comma is not necessary; change "exposing" to "exposure;" when saying "eye sight," always keep "eye" singular

Breathing the fresh air particularly benefits people’s lung.

"to" is not needed because it is implied that "the fresh air" "benefits the lungs"

Sometimes, I bowed my waist to cough, which could help to cough up parts of chalk dust.

"my" to show possesiveness (that the waist is yours)

Actually, in order to avoiding me to stay at home watching (TV; watching what?) or reading, I force myself to go out and do activities.

Add in TV or movie; add "and" and "do; take out having

I think if I keep exercising, my career life will go further.

However, I still can take/do many activities indoors.

I heard that playing badminton is an excellent sport that can further train the flexibility of people’s heads and shoulders.

Just because of this reason, I started learning to play badminton.

Besides, playing basketball and swimming also became my favorite sports.

Now, I like sports no matter where; indoors or outdoors.

I think that for many employees, if they could reduce the time of watching TV or surfing the Internet, saving this time to do some exercise, they will find they become more vigorous and more productive.

For human beings, health is the most important thing that deserves to be cherished.

With age, especially after working, I prefer to spend my leisure time on sports, both indoors and outdoors, because I have realized the importance of health.

As a teacher, I am always seated to prepare teaching contents, write teaching plans, correct students’ homework and other kinds of trivial matters.

In other words, except near three hours in classes everyday, the rest of 5 hours I keep on sitting to work, which bring a harm to my cervical vertebra. out of the 8 hours of class I attend everyday, 5 are spent sitting. This causes harm to my cervical vertebra.

I get used to jogging before dinner, or walking after dinner.

After thirty minutes’ of jogging, it seems that all fatigue is taken away by sweat.

Jogging not only strengthens my cardio-pulmonary function and relieves muscle fatigue, but also helps to recovery my energy.

As for walking, its major function is to release pressure and purify my spirit.

Viewing peaceful and beautiful scenes can get my spirit away from some worries temporarily.

I recommend spending free time outdoors for another reason, it can expose people to fresh air and natural sunshine.

Suitable exposing under the sun exposing oneself to sunshine will promote human bodies to absorb Vitamin D, and will also be good for the development children’s eyes sight.

the word eye sight cant be pluralized by putting an s on the word eye. It would have to be eye sights. In your case you just want to say eye sight.

Breathing the fresh air particularly benefits to people’s lungs

Sometimes, I bowed my waist to cough. This could help to cough up part of the chalk dust.

Actually, in order to avoiding me to staying at home watching or reading, I force myself to go out having and partake in activities.

I think only keeping by exercising, my career life will go further.

I heard that playing badminton is an excellent sport that can further practice the flexibility of people’s heads and shoulders.

well written!

Just Because of this reason, I started to learn to playing badminton.

Besides, Playing basketball and swimming also become my are also my favorite sports.

Now, I like sports no matter whether they're indoors or outdoors.

I think that for many employees, if they could reduce the time of watching TV or surfing the Internet, saving this time to do some exercise, they will find that they become more vigorously (need an adjective here) and more productive.

For human beings, health is the most important thing that deserves us to to be cherished.

Indoors or Out?

Short titles catch the reader's eye (and make your enter more professional and more likely to be read)!

Any creature has to have some sunshine.

Ah, but there are those that live in the dark! Ha!

However, I can still participate in many activities indoors.