Chapter 2: Respiration
What you need to learn in this chapter
In this chapter, we will be learning about the respiratory system and how it works. We will start by drawing and labeling the internal structures of the human respiratory system and understanding the breathing mechanism. We will also conduct experiments to investigate the differences in the content of gases in inhaled and exhaled air.
Next, we will study the movement and exchange of gases in the human body. We will describe how oxygen and carbon dioxide move and exchange in our bodies. We will also learn about the importance of the alveolar structure and how it is adapted to increase the efficiency of gaseous exchange.
We will then focus on the health of the human respiratory system. We will discuss substances that are harmful to our respiratory system and learn about common diseases and their symptoms. We will even conduct an experiment to see the effects of smoking on the lungs.
Lastly, we will explore how the respiratory system adapts in different situations. We will justify how it adapts to changes in altitude, exercise, and other factors. By the end of this chapter, we will have a good understanding of the respiratory system and its importance for our overall health.
Topics in this chapter
1. Respiratory System
What you will learn in this topic
- Draw and label the internal structures of the human respiratory system and describe the breathing mechanism
- Carry out experiments to investigate the differences in the content of gases in inhaled and exhaled air
2. Movement and exchange of gases in the human body
What you will learn in this topic
- Describe the movement and exchange of oxygen and carbon dioxide in the human body
- Justify the importance of adaptation of the alveolar structure to increase efficiency of gaseous exchange in the human body
3. Health of Human Respiratory System
What you will learn in this topic
- Communicate about substances that are harmful to the respiratory system as well as diseases and their symptoms
- Carry out an experiment to show the effects of smoking on the lungs
4. Adaptation in Respiratory System
What you will learn in this topic
- Justify how the respiratory system adapts in different situations
5. Gaseous Exchange in Plants
What you will learn in this topic
- Explain the mechanism of gaseous exchange in plants
- Communicate to justify the importance of an unpolluted environment for the growth and survival of plants
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