Organ Functions

Marge and Juan must make a model of the human urinary tract. They are trying to figure out what to use for the bladder in their model. What would you use and why?

• A small zip lock bag because the bladder is a storage sack.

• A brown kidney bean because that is what the bladder looks like in real life.

• A long, flexible drinking straw because the bladder carries urine out of the body

• A piece of cooked spaghetti because it is a small tube moving urine from the kidneys.

Saul reaches out to grab a pot of boiling water and something in his body sends a sensation to his brain to warn him of the heat coming from the handle. What organ is responsible for protecting Saul from the heat?

• eyes

• heart

• liver

• skin

This organ is the primary organ of the integumentary system. It protects, regulates, and prevents water loss. It is your

• brain

• kidney

• skeleton

• skin

Which part of the human skeletal system is INCORRECTLY matched with its function?

• bones:protection

• joints:flexible movement

• muscle:bone to bone connection

• cartilage:structure and support

Your excretory system is simple but very important. Which part of the excretory system is a holding tank for urine before it leaves your body?

• bladder

• kidneys

• ureter

• urethra