Chapter-3 || Transport Through Cell Membrane | Passive & Active Transport | Physiology

In this video, we explain Transport Through the Cell Membrane, a core topic in Cell Biology and Physiology. This lecture helps you understand how substances move in and out of the cell and why membrane transport is essential for survival.

The cell membrane is selectively permeable, meaning it controls what enters and leaves the cell. Proper membrane transport maintains homeostasis, nutrient supply, ion balance, and waste removal. This topic is highly important for MBBS, NEET, Nursing, Paramedical, and BSc Biology students.

🔍 Topics Covered in This Video

✅ Definition of membrane transport
✅ Structure & selective permeability of cell membrane
✅ Types of transport:

1️⃣ Passive Transport (no energy required)

Simple diffusion

Facilitated diffusion

Osmosis

Filtration (basic idea)

2️⃣ Active Transport (energy/ATP required)

Primary active transport

Secondary active transport

Sodium–Potassium pump

3️⃣ Vesicular/Bulk Transport

Endocytosis

Exocytosis

Pinocytosis & Phagocytosis

✅ Factors affecting transport
✅ Clinical and exam points

This video builds a strong foundation before advanced topics like membrane potentials, nerve impulses, and renal physiology.

🎯 Who Should Watch

MBBS students

NEET aspirants

Nursing & Paramedical students

BSc Biology students

Anyone studying Cell Physiology

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