Biology Cambridge IGCSE Course – Code 0610 and 0970: Topic 11 – Gas Exchange in Humans

Course Description:

Welcome to our Biology Cambridge IGCSE course, meticulously tailored to help you conquer the intricacies of Topic 11: Gas Exchange in Humans. This comprehensive course is specifically designed for both Code 0610 and Code 0970 syllabi, ensuring you’re well-prepared for the IGCSE Biology examination.

Course Highlights:

Comprehensive Core and Supplement Objectives: Master all core and supplement objectives as outlined in the syllabus for theory (papers 1, 2, 3, 4). These objectives provide a solid foundation for exam success.
Thoroughly Explained Experiments: Gain a deep understanding of practical experiments with detailed explanations. Notes summarize the method, results, interpretation, evaluation, reliability, and conclusion, enabling you to excel in paper 6 questions.

Course Outline & Objectives (Core and Supplement):

Gas Exchange in Humans (Lesson 1): Key objectives include:

Describe the features of gas exchange surfaces in humans, limited to large surface area, thin surface, good blood supply, and good ventilation with air.
Identify in diagrams and images the following parts of the breathing system: lungs, diaphragm, ribs, intercostal muscles, larynx, trachea, bronchi, bronchioles, alveoli, and associated capillaries.
Describe the differences in composition between inspired and expired air, limited to oxygen, carbon dioxide, and water vapor.
Identify in diagrams and images the internal and external intercostal muscles.
State the function of cartilage in the trachea.
Explain the role of the ribs, the internal and external intercostal muscles and the diaphragm in producing volume and pressure changes in the thorax leading to the ventilation of the lungs.
Explain the differences in composition between inspired and expired air.
Explain the link between physical activity and the rate and depth of breathing in terms of an increased carbon dioxide concentration in the blood, which is detected by the brain, leading to an increased rate and greater depth of breathing.
Explain the role of goblet cells, mucus, and ciliated cells in protecting the breathing system from pathogens and particles.

Experiment – Oxygen in expired air (Lesson 2): Key objectives include:

To investigate the relative amount of oxygen in exhaled air.

Experiment – Carbon dioxide in expired air (Lesson 3): Key objectives include:

To investigate the relative amount of carbon dioxide in exhaled air.

Experiment – The effect of exercise on the rate and depth of breathing (Lesson 4): Key objectives include:

To investigate the effect of exercise on the rate and depth of breathing.

Course Benefits:

Engage with meticulously crafted video lessons, providing comprehensive explanations of each lesson and experiment.
Access downloadable summary study sheets that condense essential information, aiding your pursuit of an A* grade.
Enhance your preparation with quizzes and assignments based on past papers to boost your confidence for the exam.
Become part of a dynamic student group community, where you can interact with fellow learners and the course instructor, asking questions and sharing updates.

Unlock the captivating world of biology and prepare to excel in the IGCSE Biology examination through our “Biology Cambridge IGCSE Course – Code 0610 and 0970: ” Gas Exchange in Humans” course.

Course Content

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Lesson 1 Gas Exchange in Humans 1 Quiz Sample Lesson

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Lesson Content

Multiple Choice Quiz | Paper 1 and 2 | Gas Exchange in Humans

Experiment – Oxygen in Expired Air

Experiment – Carbon Dioxide in Expired Air

Experiment – Investigating the Effect of Exercise on Rate and Depth of Breathing

You will need:

Computer or Mobile
Internet

Lawra Hasayen Instructor

I'm the founder of Lawra Academy, with over two decades of teaching experience in Biology. I've had the privilege of instructing high school students preparing for exams such as IGCSE, A-levels, SAT, AP, IB, and SABIS, as well as offering tutoring to university students in various Business Administration subjects. During my extensive career, I spent more than 13 successful years at King Saud International School. My students consistently achieved outstanding results, often earning A* grades. Additionally, I served as the head of the biology department. Eventually, I decided to embark on my entrepreneurial journey, leading to the establishment of Lawra Academy.