5 Questions
What is the main purpose of excretion in organisms?
To eliminate metabolic waste
Which organs are primarily responsible for excretion in vertebrates?
Lungs, kidneys, and skin
Which waste product is expelled through the urethra in mammals?
Urine
How do unicellular organisms discharge waste products?
Directly through the surface of the cell
What are some waste products produced during metabolism?
Carbon dioxide, water, salts, urea, and uric acid
Test your knowledge on excretion and the different organs involved in eliminating metabolic waste from organisms. Explore how excretion differs from secretion and understand the importance of this essential process in all forms of life.
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