Punjab Biology Online 10th Class Test Lesson 1 Gaseous Exchange

Photo of Malik Tahir Malik TahirLast Updated: September 29, 2025

Gas exchange is a biological process through which different gases are transferred in opposite directions across a specialized respiratory surface. Gaseous exchange In lungs and body Tissues. Gaseous exchange is the movement of oxygen into the body, and carbon dioxide out of the body. Gas exchange or respiration takes place at a respiratory surface; a boundary between the external environment and the interior of the body.

Gaseous exchange Lesson 1 Biology Online Test 10th Below

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Photo of Malik Tahir Malik TahirLast Updated: September 29, 2025
Photo of Malik Tahir

Malik Tahir

Greetings, learners! I'm Tarry Malik, your guide to conquering the world of Exams prep and Online studies. Let's navigate the textbooks together, share study hacks, and make your educational journey a breeze.
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