Excretion

What is the difference between excretion and elimination?
- Excretion: removal of metabolic wastes
- Elimination: removal of indigestable material
Fresh water oganisms typically have what special device to excrete excess water from their system?

a vacuole
What is the process of excretion in annelids?

through two pairs of nephridia
What is the process of excretion in arthropods?

solid crystals are formed and stored in the malphigian tubules, then expelled
What are the four organs of excretion in a human?

lungs, liver, skin, and kidney
What is the kidney composed of?

nephrons
What is the special capillary bed inside the Bowman's capsule called?

glomerulus
What three processes lead to urine formation?

filtration, secretion, reabsorption
What is the counter-current-multiplier system?

system of osmolarity to get urine as concentrated as possible

Author

thinkrussia

144688

Card Set

Excretion

Description

Biology DAT 12

Updated

2012-03-30T01:19:05Z

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