Doubtclip is an AI tutor that turns any homework or exam doubt into a step-by-step whiteboard video lesson with diagrams, formulas, and voice explanation.

Which subjects and exams does it support?

It supports Physics, Chemistry, Mathematics/Calculus and related STEM doubts for school boards, JEE, NEET, and global high-school / undergrad practice.

How do I get a video solution?

Upload a photo of the question or paste the text, sign in, and Doubtclip generates a whiteboard-style explanation video you can watch and share.

Is Doubtclip available worldwide?

Yes. Doubtclip is a web app for students globally. Lessons are available in English and Hinglish.

Human Physiology

NEET level, single correct, medium

3 of 7

Question 3 of 7

The functional and structural filtration unit of the human kidney is the:

Show answer and solution

Answer: (C) Nephron

Each human kidney contains approximately one million microscopic nephrons.

NEET question paper PDF

The full paper for each year. Open it on this page or download it.

NEET 2025 question paper (Code 45)

Open Download PDF

Opening paper…

Explain it as a whiteboard videoStep-by-step, in Hinglish or English. Your first video needs no login.Solved it on paper but got it wrong?Upload a photo of your working. Mistake Doctor marks the exact line that broke.

See it move: Human heart and blood flow simulationDrag the sliders and watch the numbers in this question change.

More Biology practice

Human PhysiologyIn the standard normal clinical electrocardiogram (ECG) record shown, which wave indicates the electrical depolarisation of both atria?
Human PhysiologyThe universal recipient blood group in the ABO system is:
Human PhysiologyAccording to the sliding filament theory, during muscle contraction, which band shortens?
Human PhysiologyDeficiency of insulin hormone secreted by beta cells of Islets of Langerhans causes:
Human PhysiologySpermiogenesis is the transformation of:
Human PhysiologyIn the given diagram of a human nephron, ultrafiltration of blood under hydrostatic pressure occurs in the Malpighian body comprising:

NEET Biology practice question on Human Physiology, with the answer and a step-by-step solution. Scan a question from your own book or paper to get a whiteboard video.