10th Class Biology Lecture Unit:10 Part:1 (PTB Syllabus)

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9th and 10th class English, Biology, Physics, Chemistry, and Computer Science Lectures for Punjab Boards. Class 9th 10th , IX/SSC-1/Matric. These Lectures are per the Latest Syllabus/Course Prescribed by the Boards of Intermediate and Secondary Education (BISEs) of Punjab Province and prescribed by the Department of Education, Punjab Government, Lahore.

In this video,

I covered these things,

Lecture

Unit:10

Part:1

Gaseous Exchange,

10.1 Gaseous Exchange In Plants,

10.2 Gaseous Exchange In Humans,

10.2.1 The Air Passageway,

10.2.2 The Lungs,

10.2.3 The Mechanism of Breathing,

1. Inspiration or Inhalation,

2. Expiration or Exhalation,

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