7th grade science

is any system more important than the other

• Yes

• No

what organ is this

• Heart

• Liver

• brain

• lung

What organ cleans your dirty blood

• liver

• kidney

• heart

• veins

how many bones are in a human body

• 10

• 600

• 217

• 206

what is the strongest bone in your body

• femur

• mandable

• unal

• raidus

How does blood travel

• veins

• your body is full of blood

• it is already there

• ion know

what is the longest intestine in your body

• heart

• small intestine

what can you live without

• pancrease

• heart

• lung

• brain

how many chromosones do you have

• 43

• 34

• 46

• 109

what is your body made out of

• systems

• bones and skin

• cells

• organs