Unit 1
Introduction to the Human Body
Overview
This unit provides a snapshot of the complex machine which is the human body. The content studied is the updated iGCSE 2025 curriculum where I chose learning outcomes that I believe will suit this unit and give you are broad but strong understanding of how the human body works. There are 6 lessons and 1 practical activity.
1 - Cell Structure
Lesson notes
A lot of this lesson should be a review from grade 9. It explores the structure of bacterial, animal and plant cells
It is recommended you download the lesson and annotate it during lessons and not simply re-write them
L1 - Cell Structure.pdfAssessment Tasks
At the end of the lesson are 5 questions.
Answer all of them by yourself either in your workbook or digitally.
After you have completed the questions, check your answers here
Class Loom Recording
The recording for this lesson can be viewed here
Useful videos
2 - Movement into and out of cells
Lesson notes
This lesson explores how substances are exchanged across cells via both passive and active processes
It is recommended you download the lesson and annotate it during lessons and not simply re-write them
L2 - Movement Into and Out of Cells.pdfAssessment Tasks
At the end of the lesson are 5 questions.
Answer all of them by yourself either in your workbook or digitally.
After you have completed the questions, check your answers here
Class Loom Recording
The recording for this lesson can be viewed here
Useful videos
3 - Metabolism of biomolecules
Lesson notes
This lesson explores the structure of the four major biomolecules and the important role enzymes play in metabolism
It is recommended you download the lesson and annotate it during lessons and not simply re-write them
L3 - Metabolism of Biomolecules.pdfAssessment Tasks
At the end of the lesson are 9 questions.
Answer all of them by yourself either in your workbook or digitally.
After you have completed the questions, check your answers here
Useful videos
4 - investigating enzyme activity
Lesson notes
This lesson explains how to conduct scientific investigations, specifically the impact of temperature and pH on enzyme activity using catalase in potatoes
It is recommended you download the lesson and annotate it during lessons and not simply re-write them
L4 - Investigating Enzyme Activity (Practical).pdfAssessment Tasks
At the end of the lesson are 5 questions that you can do after you have completed your investigation
Answer all of them by yourself either in your workbook or digitally.
Class Loom Recording
The recording for this lesson can be viewed here
Useful videos
5 - human digestive system
Lesson notes
This lesson explores the human digestive system; explaining how food is ingested, digested, absorbed, assimilated and egested
It is recommended you download the lesson and annotate it during lessons and not simply re-write them
L5 - Human Digestive System.pdfAssessment Tasks
At the end of the lesson are 9 questions.
Answer all of them by yourself either in your workbook or digitally.
After you have completed the questions, check your answers here
Useful videos
6 - Human reproduction
Lesson notes
This lesson explores human reproduction including reproductive structures, puberty, menstrual cycle, sexual intercourse, and pregnancy
It is recommended you download the lesson and annotate it during lessons and not simply re-write them
L6 - Human Reproduction.pdfAssessment Tasks
At the end of the lesson are 11 questions.
Answer all of them by yourself either in your workbook or digitally.
After you have completed the questions, check your answers here
Useful videos
7 - Immunity and vaccination
Lesson notes
This lesson explores how the immune system prevents entry and fights pathogens in addition to vaccines and their impact in preventing spread of disease
It is recommended you download the lesson and annotate it during lessons and not simply re-write them
L7 - Immunity and Vaccination.pdfAssessment Tasks
At the end of the lesson are 10 questions.
Answer all of them by yourself either in your workbook or digitally.
After you have completed the questions, check your answers here
Useful videos
Quiz
Quizzes will be posted after they are taken
Use quizzes and mark schemes to study actively.
Test yourself on various learning outcomes to check understanding. Identify areas of confidence and weakness
Unit 1 Quiz (1-6) ver.a blank.pdfUnit 1 Quiz (1-6) ver.a MS.pdfUnit 1 Quiz (1-6) ver.b blank.pdfUnit 1 Quiz (1-6) ver.b MS.pdf