human organ system

How many bones does a human body have?

• 550

• 206

• 320

what is the organ called?

• heart

• liver

• lungs

The circulatory is made up of which organs

• lungs

• food pipe

• blood, blood vessels, heart

respiratory helps in the circulation of air

• true

• false

food particles are digested in

the system which is made up of bones?

• respiratory system

• digestive system

• skeletal system

• circulatory system

muscular system is made up of

• skin

• bones

• muscles

name the system

• skeletal system

• respiratory system

• circulatory system

which bone is flexible?

• teeth

• elbow

• wrist

• backbone

which organ helps in breathing?

• lungs

• heart

• liver

• kidney