are you super strong?
how do you breathe?
oxygen, nutrient, and waste highway
get out!
100

the bones that protect the lungs and heart

what are ribs

100

the job of the respiratory system

what is to get oxygen to cells

100

these blood vessels carry blood back to the heart

what are veins
100

these organs filter waste

what are kidneys

200

the amount of bones a baby has

what is 305

200

this is what the trachea is 

what is windpipe

200

these blood vessels carry blood away from the heart

what are arteries

200

this is what nephrons are 

what are tiny filter tubes

300

the amount of bones that are in the hand

what is 27

300

this is what the alveoli is 

what are tiny air sacks in your lungs.

300

these blood cells fight infection

what are white blood cells

300

this is the what the uretha is 

what is a tube that lets urine leave your body

400

the amount of bones in the foot

what is 26

400

these are two tubes that lead to your lungs

what is bronchi

400

this is the liquid part of blood

what is plasma

400

the muscular organ that stores urine

what is the bladder

500

this is the definition of cardiac muscles

muscles that pump blood

500

this is the definition of pulmonary

what is having to do with lungs

500

this is what tiny blood cells are called

what are platelets

500

this is why skin is in the excretory system

what is because it has sweat glands

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