AP BIOLOGY

ANIMAL PHYSIOLOGY

EXCRETION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the main function of the excretory system?
A
to collect and remove wastes from the body
B
to strengthen skeletal muscles
C
to protect the nervous system
D
to bring oxygen to body cells
Explanation: 

Detailed explanation-1: -The kidneys remove from the blood the nitrogenous wastes such as urea, as well as salts and excess water, and excrete them in the form of urine. This is done with the help of millions of nephrons present in the kidney. The filtrated blood is carried away from the kidneys by the renal vein (or kidney vein).

Detailed explanation-2: -Functions of the Excretory System: The function of the excretory system to remove wastes from the body. These wastes include water, CO2, nitrogen, salts, and heat. Metabolism: The process of the body coverting food into energy.

Detailed explanation-3: -The excretory system performs the function of excretion in the body of an organism or it is the bodily process of discharging wastes. The excretory system is responsible for the elimination of wastes produced by homeostasis.

Detailed explanation-4: -The excretory system removes other waste from our body and keeps our blood clean. The kidneys filter the blood and reabsorb useful nutrients. In the kidneys, waste substances and water form urine.

Detailed explanation-5: -Human Excretory System (PDF): The excretory system is responsible for removing wastes from the body using organs including the kidneys and the liver. Excretory (Urinary) System (PDF): Liquid waste leaves the body through the urinary system, which includes the kidneys, bladder, and urethra.

There is 1 question to complete.