The Excretory System

What is the MAIN function of the excretory system?

• to bring oxygen into the body and get rid of carbon dioxide

• To rid the body of wastes

• to breakdown food

• to give the body shape and protect the organs

What is the name of the tube that takes the urine out of the body?

• kidney

• urethra

• bladder

• vein

What is the name of the largest organ that excretes heat and perspiration?

• skin

• heart

• bladder

True or False? The lungs excrete carbon dioxide.

• True

• False

Tags

NGSS.MS-LS2-3

Which organ collects and stores the urine until is is ready to be excreted?

• ureter

• bladder

• urethra

Why is the excretory system important for our survival?

• Without the excretory system, we would not be able to breathe.

• Without the excretory system, we could not digest our food.

• Without the excretory system, our wastes would build up in our bodies and we would become sick and possible die.

Urine is a mixture of

• water, some salts, and blood

• water, some salts ,and urea

True or False: The parts of the excretory system are the lungs, kidneys, ureters, urinary bladder, urethra, skin, and stomach.

• True

• False

True or False: The liver is a secondary organ that helps the excretory system.

• True

• False

If your urine is darker in color, what does your body need?

• more Dr. Pepper

• more Takis chips

• more water

• more Skittles