Respiratory system

This lesson looks at the respiratory system organs and how they are adapted for efficient gas exchange.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Which organ absorbs excess water?

1/5

Q2.Which level of organisation, starting from smallest to largest, is after cells?

2/5

Q3.What is the name of the biological catalysts which break down food molecules?

3/5

Q4.What is the name of the substance found in the stomach which has a low pH of 1?

4/5

Q5.Which organ produces digestive enzymes?

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Intro quiz - Recap from previous lesson

Before we start this lesson, let’s see what you can remember from this topic. Here’s a quick quiz!

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Which organ absorbs excess water?

1/5

Q2.Which level of organisation, starting from smallest to largest, is after cells?

2/5

Q3.What is the name of the biological catalysts which break down food molecules?

3/5

Q4.What is the name of the substance found in the stomach which has a low pH of 1?

4/5

Q5.Which organ produces digestive enzymes?

5/5

Video

Click on the play button to start the video. If your teacher asks you to pause the video and look at the worksheet you should:

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  • Click "Next" to view the activity

Your video will re-appear on the next page, and will stay paused in the right place.

Worksheet

These slides will take you through some tasks for the lesson. If you need to re-play the video, click the ‘Resume Video’ icon. If you are asked to add answers to the slides, first download or print out the worksheet. Once you have finished all the tasks, click ‘Next’ below.

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Respiratory System

Quiz to assess what you have learnt in this lesson and prior lessons in this topic

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Which of the following levels of organisation comes after tissues, if it is in order of the smallest to largest.

1/5

Q2.What is the equation for respiration?

2/5

Q3.Respiration takes place in which organelle?

3/5

Q4.What is the name of the cartilage tube in C shapes that makes up part of the respiratory system called?

4/5

Q5.What is the name of the liquid in the digestive system which neutralises stomach acid and emulsifies fat?

5/5

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Respiratory System

Quiz to assess what you have learnt in this lesson and prior lessons in this topic

Question 1

Question 2

Question 3

Question 4

Question 5

Q1.Which of the following levels of organisation comes after tissues, if it is in order of the smallest to largest.

1/5

Q2.What is the equation for respiration?

2/5

Q3.Respiration takes place in which organelle?

3/5

Q4.What is the name of the cartilage tube in C shapes that makes up part of the respiratory system called?

4/5

Q5.What is the name of the liquid in the digestive system which neutralises stomach acid and emulsifies fat?

5/5

Lesson summary: Respiratory system

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