Which biological process is involved in the removal of harmful metabolic wastes from the body?
Show answer & explanation
Correct answer: D
Explanation
Correct Answer:
Option 4: Excretion
Explanation:
The process of eliminating harmful metabolic waste products from the body is called Excretion. This is an extremely essential biological process for living organisms, as it prevents the accumulation of toxic substances within the body.
In humans, the primary excretory organs are the Kidneys, which purify the blood and expel waste products in the form of urine.
Additionally—
Lungs → Eliminate CO₂
Skin → Eliminates waste through sweat
This process plays a crucial role in maintaining the body's homeostasis (internal balance).
Additional Facts:
Option 1: Digestion breaks down food.
Option 2: Metabolism involves energy processes.
Option 3: Respiration is the exchange of gases.
Option 4: Correct Answer.
Potential Questions for Upcoming Exams:
Question: What is the main excretory organ of the human body?
Answer: Kidney
Question: What is the main waste product found in urine?
Answer: Urea
Question: From where is CO₂ expelled?
Answer: Lungs
Question: What is homeostasis?
Answer: Internal balance