These two organs in your chest help you breathe.
lungs
It's a rule. For good health, you _____ drink plenty of water every day.
must or should
"I have a terrible headache."
What is "You should take some aspirin and rest."? (advice with should, ought to, or could)
The human body has over 600 of these, which you use to move your skeleton.
muscles
To stop doing something you do regularly, like biting your nails, is to _____.
break a habit
I feel a bit sick. I _____ (not/go) to the party tonight.
shouldn't or ought not go to
"I think I have the flu. I have a fever and I feel very weak." Give advice with must!
You must stay at home until you feel better
Your body produces about one liter of this per day, and it's essential for digesting your food.
saliva
To stay away from something, like sugary drinks, means to _____ them.
avoid them
He isn't here. He _____ (go) to the doctor's appointment.
might, or must have gone
"I can't sleep at night." Give advice using could
what percent of the human body is composed of water?
50-60%
The opposite of "reduce" If you want to get stronger, you should _____ how much you exercise.
increase!
I feel terrible. I _____ (eat) so much cake last night.
shouldn't have eaten
"I feel very stressed about my exams." Give advice using should
You should try taking some breaks and listening to relaxing music!
how many times a day does the heart beat?
100,000 times!
his is the natural feeling of wanting to eat food.
appetite
She _____ (be) a great athlete when she was younger; she still holds many school records.
"My back hurts after I sit at my desk all day." Give advice using ought, could, and shouldn't
you ought to stretch, you could try standing more throughout the day, you shouldn't keep sitting like that.
how many bones are there in the human body?
206