You should not ...the amount of exercise in one part of your body because that can be bad for you too.
overdo
Muscles also need a lot of exercise to ... them strong and working well. It is important to exercise all the different sets of muscles.
keep
Muscles need energy to work and they ... it from the food that you eat.
get
A cheetah is definately ... than an elephant.
faster
The ... muscles only work when your brain tells them to do something.
voluntary
I am sure I can run ... than a snail.
faster
The gluteus maximus is the ... muscle in the body.
biggest
Muscles need ... from foods like fruit, pasta and potatoes to turn into ...
carbohydrates; energy
If you ... your day playing on your computer, your fingers and ... will be healthy but the rest of your muscles won't be very strong.
spend; thumbs
Weightlifting is a sport that consists of ....
lifting weights
Bungee jumping is a sport in which you are tied to a rope and you ... from a bridge.
jump
Muscles have one very important job, they ... us.
move
There ... two kinds of muscles: voluntary and involuntary.
are
If you ... a lot and play sports regularly, you are probably ... enough exercise to keep your muscles healthy.
walk; getting
Involuntary muscles are responsible for the beating of your ...
heart
I am sure that I swim ... than a dolphin.
slower
Underneath your skin you have a layer of fibres. These fibres are your ...
muscles
You need 15 muscles just to ...
smile
There are more than 30 muscles in your ... helping you to look sad, happy, surprised or angry.
face
Involuntary muscles already ... what to do
know
Most of the voluntary muscles are ... to the bones in your skeleton.
attached
The ... muscles in the body are the eye muscles, you move them more than 100,000 times a day.
busiest
Without muscles you can't walk or run, ... or cry, stand up or sit down.
laugh