What are the filtration units in kidneys which filters the waste in the human body?
Show answer & explanation
Correct answer: C
Explanation
Correct Answer:
Option 3: Nephrons
Explanation:
The nephron is the structural and functional unit of the kidney responsible for filtering waste from the blood. Each kidney contains about one million nephrons. Filtration begins in the glomerulus, where waste products are separated. Useful substances are reabsorbed in the tubules, and the remaining waste is excreted as urine. This process is essential for maintaining fluid balance and blood purity.
Additional Facts:
Option 1: Neuron is a unit of the nervous system.
Option 2: Alveoli are involved in gas exchange in lungs.
Option 4: Islets of Langerhans secrete hormones in pancreas.
Probable Exam Questions:
Q: Which organ filters blood in the human body?
A: Kidney
Q: What is the main function of nephron?
A: Filtration
Q: Through which tube does urine pass?
A: Ureter
Q: Where is glomerulus located?
A: In nephron