Excretory System

This organ in the excretory system is the same size of your fist.

• heart

• kidney

• urethra

• urinary bladder

An organ in the respiratory system that excretes CO2 but is also a part of the excretory system.

• skin

• pharynx

• lungs

• ureters

Urine from the kidneys passes through these tubular tubes before it reaches the urinary bladder.

• urethra

• medulla

• nephrons

• ureters

The human urinary bladder can hold about _______ of urine.

• 400 to 600 L

• 400 to 600 gal

• 400 to 600 ml

• 40 to 60 ml

Females have a longer urethra than males.

• True

• False

Medicines such as anti-allergy tablets, antibiotics, and pain relievers may harm your body more if you take them without a doctor's advice.

• True

• False

Two bean-shaped organs that filter the blood.

• ureters

• urinary bladder

• pancreas

• kidneys