Excretion

The cluster of capillaries within a nephron.

• glomerulus

• alveoli

• aorta

• vein

The organ that removes metabolic wastes including urea, excess water, and salts from the blood.

• lung

• liver

• kidney

• colon

The organ whose excretory functions include detoxification of the blood and formation of urea.

• liver

• kidney

• heart

• gall bladder

Another term for sweating; removal of water, salt and urea through the sweat glands in the skin.

• perspiration

• respiration

• reabsorption

• transport

The functional unit of the kidneys which includes the glomerulus, Bowman's capsule and the Loop of Henle.

• arteriole

• veinule

• alveoli

• nephron

Tags

NGSS.MS-LS1-3

What is the main function of the excretory system?

• to collect and remove wastes from the body
• to strengthen skeletal muscles
• to protect the nervous system
• to bring oxygen to body cells

A nitrogen waste resulting from the breakdown of the amino acids produced during protein digestion.

• carbon dioxide

• bile

• urea

• water

Which excretory organ eliminates water and some chemical wastes in perspiration?

• lungs
• skin
• liver
• kidneys

A short tube where urine is released from the body is the _______.

• Ureter
• Kidney
• Bladder
• Urethra

Place the following events in sequence:
A)  Urine passes through the ureters
B)  Urea enters the kidneys
C)  Urine enters the urethra

• B, A, C
• C, B, A
• B, C, A
• A, C, B