Numbers
Skeletal system
Muscular system
100
Number of bones in an adult skeleton

206

100

connects bone to bone

ligaments

100

3 types of muscle

skeletal, cardiac, smooth

200

Number of muscles used to smile

17

200

largest bone in the leg

femur

200

muscle type that you can control

voluntary

300

Number of minutes a teen should be active daily

60

300

collection of bones that protect the heart and lungs

rib cage

300

injury caused when you stretch the muscle too far

muscle strain

400

How many types of muscles are there?

3

400

upper arm bone

humerous

400

muscle found in your digestive tract that moves food through your body

smooth muscle

500

Number of muscles in the body

600

500

connects bone to muscle or muscle to muscle

tendon

500

3 ways to keep muscles healthy

eating healthy, exercise, protective gear

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