Skip to content

Dabour HubLEARN · PRACTICE · EXPLORE Sign inStudent

Unit 2 of 5

Structure and Function in Living Organisms

Edexcel International GCSE Science Double Award 4SD0 — Biology · 55 lessons · 43 quizzes

Start the first lesson

2.1

Unit 2 overview: Structure and Function in Living Organisms20 min

2.1.1

Levels of Organisation20 min

2.2.1

Cell Structures20 min

2.2.2

Animal and Plant Cells: Similarities and Differences20 min

2.3.1

Structure of Biological Molecules20 min

2.3.2

Practical: Food Tests20 min

2.3.3

Role of Enzymes20 min

2.3.4

Temperature and Enzyme Function20 min

2.3.5

Practical: Investigating Temperature and Enzyme Activity20 min

2.3.6

pH and Enzyme Function20 min

2.4.1

Diffusion, Osmosis and Active Transport20 min

2.4.2

Factors Affecting the Rate of Movement of Substances20 min

2.4.3

Practical: Investigating Diffusion and Osmosis20 min

2.5.1

The Process of Photosynthesis20 min

2.5.2

Factors Affecting the Rate of Photosynthesis20 min

2.5.3

Leaf: Structure and Adaptations20 min

2.5.4

Plants and Mineral Ions20 min

2.5.5

Practical: Investigating Photosynthesis20 min

2.5.6

Balanced Diet20 min

2.5.7

Human Alimentary Canal: Structure and Function20 min

2.5.8

Peristalsis20 min

2.5.9

Role of Digestive Enzymes20 min

2.5.10

Bile20 min

2.5.11

Small Intestine: Structure and Adaptations20 min

2.6.1

Process of Respiration20 min

2.6.2

Aerobic and Anaerobic Respiration20 min

2.6.3

Practical: Investigating Respiration20 min

2.7.1

Structure of the Breathing System20 min

2.7.2

Role of the Intercostal Muscles and Diaphragm20 min

2.7.3

Alveoli: Adaptations for Gas Exchange20 min

2.7.4

Smoking and the Gas Exchange System20 min

2.7.5

Practical: The Effect of Exercise on Breathing20 min

2.8.1

The Need for a Transport System20 min

2.8.2

Role of the Xylem and Phloem20 min

2.8.3

The Blood20 min

2.8.4

White Blood Cells and Immunity20 min

2.8.5

Structure and Function of the Heart20 min

2.8.6

Heart Rate and Exercise20 min

2.8.7

Risk Factors for Coronary Heart Disease20 min

2.8.8

Blood Vessels: Structure and Function20 min

2.8.9

Circulatory System: General Structure20 min

2.9.1

Excretion in Plants20 min

2.9.2

Excretion in Humans20 min

2.10.1

Response to Changes in the Environment20 min

2.10.2

Homeostasis20 min

2.10.3

Co-ordinating Response20 min

2.10.4

Response to Stimuli: Plants20 min

2.10.5

Nervous and Hormonal Control20 min

2.10.6

Human Nervous System20 min

2.10.7

Role of Neurotransmitters at Synapses20 min

2.10.8

Simple Reflex Arc20 min

2.10.9

The Human Eye: Structure20 min

2.10.10

The Human Eye: Function20 min

2.10.11

The Role of Skin in Temperature Regulation20 min

2.10.12

The Role of Hormones: Basic20 min

Practice for this unit

2.1.1 Levels of Organisation - MCQ practice (29 questions)

Marked questions with instant feedback and a full review.

2.2.1 Cell Structures - MCQ practice (15 questions)

Marked questions with instant feedback and a full review.

2.2.2 Animal and Plant Cells: Similarities and Differences - MCQ practice (15 questions)

Marked questions with instant feedback and a full review.

2.3.1 Structure of Biological Molecules - MCQ practice (34 questions)

Marked questions with instant feedback and a full review.

2.3.2 Practical: Food Tests - MCQ practice (21 questions)

Marked questions with instant feedback and a full review.

2.3.3 Role of Enzymes - MCQ practice (35 questions)

Marked questions with instant feedback and a full review.

2.3.4 Temperature and Enzyme Function - MCQ practice (20 questions)

Marked questions with instant feedback and a full review.

2.3.5 Practical: Investigating Temperature and Enzyme Activity - MCQ practice (20 questions)

Marked questions with instant feedback and a full review.

2.3.6 pH and Enzyme Function - MCQ practice (14 questions)

Marked questions with instant feedback and a full review.

2.4.1 Diffusion, Osmosis and Active Transport - MCQ practice (28 questions)

Marked questions with instant feedback and a full review.

2.4.2 Factors Affecting the Rate of Movement of Substances - MCQ practice (6 questions)

Marked questions with instant feedback and a full review.

2.4.3 Practical: Investigating Diffusion and Osmosis - MCQ practice (14 questions)

Marked questions with instant feedback and a full review.

2.5.1 The Process of Photosynthesis - MCQ practice (6 questions)

Marked questions with instant feedback and a full review.

2.5.2 Factors Affecting the Rate of Photosynthesis - MCQ practice (25 questions)

Marked questions with instant feedback and a full review.

2.5.3 Leaf: Structure and Adaptations - MCQ practice (49 questions)

Marked questions with instant feedback and a full review.

2.5.4 Plants and Mineral Ions - MCQ practice (15 questions)

Marked questions with instant feedback and a full review.

2.5.5 Practical: Investigating Photosynthesis - MCQ practice (10 questions)

Marked questions with instant feedback and a full review.

2.5.6 Balanced Diet - MCQ practice (38 questions)

Marked questions with instant feedback and a full review.

2.5.7 Human Alimentary Canal: Structure and Function - MCQ practice (36 questions)

Marked questions with instant feedback and a full review.

2.5.8 Peristalsis - MCQ practice (9 questions)

Marked questions with instant feedback and a full review.

2.5.9 Role of Digestive Enzymes - MCQ practice (25 questions)

Marked questions with instant feedback and a full review.

2.5.10 Bile - MCQ practice (4 questions)

Marked questions with instant feedback and a full review.

2.6.1 Process of Respiration - MCQ practice (2 questions)

Marked questions with instant feedback and a full review.

2.6.2 Aerobic and Anaerobic Respiration - MCQ practice (50 questions)

Marked questions with instant feedback and a full review.

2.6.2 Aerobic and Anaerobic Respiration - MCQ practice part 2 (8 questions)

Marked questions with instant feedback and a full review.

2.7.1 Structure of the Breathing System - MCQ practice (25 questions)

Marked questions with instant feedback and a full review.

2.7.2 Role of the Intercostal Muscles and Diaphragm - MCQ practice (24 questions)

Marked questions with instant feedback and a full review.

2.7.3 Alveoli: Adaptations for Gas Exchange - MCQ practice (6 questions)

Marked questions with instant feedback and a full review.

2.7.5 Practical: The Effect of Exercise on Breathing - MCQ practice (10 questions)

Marked questions with instant feedback and a full review.

2.8.2 Role of the Xylem and Phloem - MCQ practice (28 questions)

Marked questions with instant feedback and a full review.

2.8.3 The Blood - MCQ practice (12 questions)

Marked questions with instant feedback and a full review.

2.8.4 White Blood Cells and Immunity - MCQ practice (10 questions)

Marked questions with instant feedback and a full review.

2.8.5 Structure and Function of the Heart - MCQ practice (30 questions)

Marked questions with instant feedback and a full review.

2.8.7 Risk Factors for Coronary Heart Disease - MCQ practice (9 questions)

Marked questions with instant feedback and a full review.

2.8.8 Blood Vessels: Structure and Function - MCQ practice (16 questions)

Marked questions with instant feedback and a full review.

2.8.9 Circulatory System: General Structure - MCQ practice (23 questions)

Marked questions with instant feedback and a full review.

2.10.2 Homeostasis - MCQ practice (20 questions)

Marked questions with instant feedback and a full review.

2.10.6 Human Nervous System - MCQ practice (4 questions)

Marked questions with instant feedback and a full review.

2.10.8 Simple Reflex Arc - MCQ practice (23 questions)

Marked questions with instant feedback and a full review.

2.10.9 The Human Eye: Structure - MCQ practice (26 questions)

Marked questions with instant feedback and a full review.

2.10.10 The Human Eye: Function - MCQ practice (25 questions)

Marked questions with instant feedback and a full review.

2.10.11 The Role of Skin in Temperature Regulation - MCQ practice (18 questions)

Marked questions with instant feedback and a full review.

2.10.12 The Role of Hormones: Basic - MCQ practice (23 questions)

Marked questions with instant feedback and a full review.