Body systems (skin bones and muscles)

What is a system?

• a car stereo

• something that works in pairs

• a group of things that work together to make something work

• an organ

The human bodyś largest organ is the...

• brain

• lungs

• skin

• stomach

our skin is made up of

• cells

• organs

• bones

• muscles

What are three functions of the skin?

(Check three boxes from the choice below)

• regulates body temperature so we don't get too hot or cold

• gives us shape

• protect the body from germs, sun, and water

• gives us our sense of touch

• supports our body

How many bones in adult human body

• 602

• 306

• 206

• 235

What are the 3 main functions of the skeletal system( our bones)?

• protect our organs

• give us structure and shape

• protects us from the sun

• work with muscles to help us move

• give us our color

When muscles move they either ______ or _______

• stretch , bend

• relax, contract

• grow, break

• tear, pull

What is the function of muscles?

• to make us look strong

• to protect our body

• to work with our bones to help us move

• to protect our organs

Muscles are connected to bones by

• tendons

• cartilage

• glue

• fatty tissue

Muscles and bones work together to

• help us run

• help us jump

• help us bend

• all of the above