logo

Cambridge IGCSE Combined Science practice

Paper 6 structured question: Gas exchange in humans

Try the question first, then check the answer and practise the same topic again.

Attempt questionGas exchange in humans revisionRevise the key idea

At a glance

6

Paper

2

Marks

Topic

Gas exchange in humans

Exam-style question

Try this first

Paper 6Alternative to PracticalPractical2 marks

Analyzing results from a breathing rate experiment.

Results Table

Breathing Rate Results

Table showing breathing rates before and after exercise.

ConditionBreathing Rate (breaths/min)
Resting12
After Exercise24
  1. a

    Describe the change in breathing rate from resting to after exercise.

    Aim for approximately 2 distinct marking points.

    [2]

0 of 1 part answered

Answer every part before opening the mark scheme.

Common mistake

No common mistake is linked to this question yet.

Related flashcards

Flashcard 1 of 6

Press Space to flip, arrows to move

Related practice questions

Question 1 of 5

Choose an answer, get feedback, then move sideways through the set.

0 of 4 attempted

Paper 6 structured question: Gas exchange in humans

Paper 6Alternative to PracticalPractical1 marks

Method

Method for Measuring Breathing Rate

1. Have a partner perform a set of exercises for 5 minutes. 2. Measure the number of breaths taken in one minute before and after exercise. 3. Record the data in a table.

ConditionBreathing Rate (breaths/min)
Resting
After Exercise
  1. a

    State the independent variable in this investigation.

    Aim for approximately 1 distinct marking point.

    [1]