AP BIOLOGY

ANIMAL PHYSIOLOGY

EXCRETION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Tiny filtering structures where urine is produced in the kidneys are called
A
ureters.
B
alveoli.
C
nephrons.
D
bronchi.
Explanation: 

Detailed explanation-1: -The kidneys remove urea from the blood through tiny filtering units called nephrons. Each nephron consists of a ball formed of small blood capillaries, called a glomerulus, and a small tube called a renal tubule.

Detailed explanation-2: -The nephron is the filtering unit of the kidney. The nephron is called so because it removes harmful wastes from the blood, such as urea, uric acids, and excess of water. These wastes get filtered from the blood and excreted out as urine and useful products are reabsorbed by the tubular part of the nephron.

Detailed explanation-3: -The nephron includes a filter called glomerulus, a tubule. The nephron includes a filter called the glomerulus, and tubule.

Detailed explanation-4: -The nephron is the minute or microscopic structural and functional unit of the kidney. It is composed of a renal corpuscle and a renal tubule. The renal corpuscle consists of a tuft of capillaries called a glomerulus and a cup-shaped structure called Bowman’s capsule. The renal tubule extends from the capsule.

There is 1 question to complete.