Execretory System U8

Question 1

Excretion

Answer 1

Removal of metabolic wastes from the body

Kidney, liver, lungs, large intestine, and skin

Question 2

Skin; Liver; Lungs

Answer 2

• Excretes perspiration; cools body; increase waste during renal failure
• breaks down red blood cell; excretion of bile pigments
• Expiration removes carbon dioxide (loss of water too)

Question 3

Intestine; Kidneys

Answer 3

• Certain salts (like from iron and calcium) excreted directly into intestine become part of feces
• excrete urine; contains end products of metabolism

Question 4

Flow of water through body

Answer 4

Enters - drink or food

exits - urine, sweat, exhalation, tears, phlegm, deification

Question 5

3 regions of the kidney

Answer 5

Renal Cortex - outer granulated region
Renal medulla - Striated or layer lined
Renal Pelvis - inner cavity; where urine collects

Question 6

Nephron

Answer 6

Kidney is composed of over 1 million nephron
Outer region has - bowman’s capsule, PCT, and DCT
Inner region has - Loop of henule

Question 7

Renal artery; Renal Vein

Answer 7

Artery - brings blood to kidney to be cleaned

vein - brings cleaned blood back to body