NEET BIOLOGY

ECOLOGY

EXCRETORY PRODUCTS AND THEIR ELIMINATION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the meaning of excretion?
A
removing faeces from the body.
B
discharging waste product from the body
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -Excretion is the process by which organisms expel metabolic waste products and other toxic substances from their body.

Detailed explanation-2: -Excretion is the proces s of removing wastes and excess water from the body. It is one of the major ways the body maintains homeostasis. Although the kidneys are the main organs of excretion, several other organs also excrete waste s. They include the large intestine, liver, skin, and lungs.

Detailed explanation-3: -To get rid of waste material from the blood, tissues, or organs by a normal discharge (such as sweat, urine, or stool).

Detailed explanation-4: -The main excretory organs include kidney, ureter, urinary bladder and urethra. Kidneys filter the blood and urine is the filtrate obtained. Urine passes to the urinary bladder via ureter and is expelled out of the body. This is known as micturition.

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