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Topic 9: Control Systems

This topic is included in A Level Papers for Pearson (Edexcel) Biology (B). Resources to support this topic can be found below.

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Factsheets

A Level Biology

374. Action Potentials

This Biology Factsheet: • Explains what an action potential is and how it is produced. • Explains...

A Level Biology

369. Cell Signalling

This Biology Factsheet: • Explains the term cell signalling and provides examples. • Describes the...

A Level Biology

359. Sodium, Potassium and Calcium Ions

This Biology Factsheet: • Describes the role of ions in living organisms. • Explain how ions form....

A Level Biology

355. Gibberellins and DELLA: The Genetic Control of Plant Growth

This Biology Factsheet:• Outlines the history of the discovery of gibberellins.• Describes the role...

A Level Biology

335. Artificial Kidneys

This Biology Factsheet: • Outlines the role of the kidneys. • Describes the production of urea. •...

A Level Biology

286. Thermoregulation in Humans

This Biology Factsheet summarises: • The mechanism of temperature regulation in a mammal. •...

A Level Biology

270. Rods and Cones

This Biology Factsheet summarises: • The structure and function of the human eye. • The structure...

A Level Biology

190. Neuromuscular Junctions

This Biology Factsheet describes recent exam questions on the events that occur when a nerve...

A Level Biology

166. Answering Exam Questions: Kidney Problems

This Biology Factsheet summarises the types of Kidney questions that are regularly asked in exam...

A Level Biology

161. Negative Feedback Mechanisms

This Biology Factsheet summarises the most important examples of negative feedback in living...

A Level Biology

160. Countercurrent Flow in Biology

This Biology Factsheet summarises the process and describes the types of exam questions which...

A Level Biology

151. Control of the Human Heart

This Biology Factsheet explains, in detail, the way in which the human heart is controlled. Common...

A Level Biology

150. Answering Exam Questions on the Kidney

This Biology Factsheet aimed at those students who want to get full marks on kidney questions.

A Level Biology

111. Plant Growth Substances

This Biology Factsheet summarises: • Similarities and differences between plant growth substances...

A Level Biology

58. Reflex Action

This Biology Factsheet: • Explores the structure of a simple reflex arc. • Examines the...

A Level Biology

48. Tackling Exam Questions: Plant Growth Substances

This Biology Factsheet summarises: • Aspects of plant growth substances which are common to most...

A Level Biology

41. The Role of the Liver in Homeostasis

This Biology Factsheet: • Explores blood glucose levels. • Examines why glucose regulation is...

A Level Biology

38. Animal Hormones and Hormone Action

This Biology Factsheet: • Explores hormone release and its regulation. • Examines how hormones...

A Level Biology

28. Feedback Control Mechanisms

This Biology Factsheet summarises the processes of negative and positive feedback control...

A Level Biology

20. Nerves and Synapses

This Biology Factsheet: • Explores the structure of a neurone cell. • Examines the functions of...

A Level Biology

17. The Control of Body Temperature

This Biology Factsheet: • Examines why temperature control is so vital. • Distinguishes the...

A Level Biology

1. The Kidney: Excretion and Osmoregulation

This Biology Factsheet: • Explains the two main functions of the kidneys. • Demonstrates the basic...

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PowerPoints

A Level Biology

Brain and Scanning - A-Level PowerPoint

This is an A-Level Biology PowerPoint Presentation on Brain and Scanning.

A Level Biology

Chemical Imbalance and Disease - A-Level PowerPoint

This is an A-Level Biology PowerPoint Presentation on Chemical Imbalance and Disease.

A Level Biology

Co-ordination - A-Level PowerPoint

This is an A-Level Biology PowerPoint Presentation on Co-ordination.

A Level Biology

Homeostasis: Blood Glucose - A-Level PowerPoint

This is an A-Level Biology PowerPoint Presentation on Homeostasis: Blood Glucose.

A Level Biology

Homeostasis: Negative Feedback and Oestrus Cycle - A-Level PowerPoint

This is an A-Level Biology PowerPoint Presentation on Homeostasis: Negative Feedback and Oestrus...

A Level Biology

Homeostasis: Temperature - A-Level PowerPoint

This is an A-Level Biology PowerPoint Presentation on Homeostasis: Temperature.

A Level Biology

Hormones - A-Level PowerPoint

This is an A-Level Biology PowerPoint Presentation on Hormones.

A Level Biology

Kidneys - A-Level PowerPoint

This is an A-Level Biology PowerPoint Presentation on Kidneys.

A Level Biology

Liver - A-Level PowerPoint

This is an A-Level Biology PowerPoint Presentation on Liver.

A Level Biology

Response to Stimuli - A-Level PowerPoint

This is an A-Level Biology PowerPoint Presentation on Response to Stimuli.

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Exam Doctor PowerPoints

A Level Biology

Autonomic NS and Sense Organs – A-Level Exam Doctor PowerPoint

This is an A-Level Biology Exam Doctor PowerPoint Presentation on Autonomic NS and Sense Organs....

A Level Biology

Homeostasis and Kidney – A-Level Exam Doctor PowerPoint

This is an A-Level Biology Exam Doctor PowerPoint Presentation on Homeostasis and Kidney. The Exam...

A Level Biology

Nervous Communication – A-Level Exam Doctor PowerPoint

This is an A-Level Biology Exam Doctor PowerPoint Presentation on Nervous Communication. The Exam...

A Level Biology

Plant Growth Substances – A-Level Exam Doctor PowerPoint

This is an A-Level Biology Exam Doctor PowerPoint Presentation on Plant Growth Substances. The...

A Level Biology

Temperature Regulation – A-Level Exam Doctor PowerPoint

This is an A-Level Biology Exam Doctor PowerPoint Presentation on Temperature Regulation. The Exam...

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Questions and Answers

A Level Biology

Autonomic Nervous System Questions - A-Level

These are practice examination questions on Autonomic Nervous System for A-Level Biology.

A Level Biology

Autonomic Nervous System Answers - A-Level

These are the answers to the Autonomic Nervous System practice questions for A-Level Biology.

A Level Biology

Homeostasis Questions - A-Level

These are practice examination questions on Homeostasis for A-Level Biology.

A Level Biology

Homeostasis Answers - A-Level

These are the answers to the Homoeostasis practice questions for A-Level Biology.

A Level Biology

Nervous Co-ordination Questions - A-Level

These are practice examination questions on Nervous Co-ordination for A-Level Biology.

A Level Biology

Nervous Co-ordination Answers - A-Level

These are the answers to the Nervous Co-ordination practice questions for A-Level Biology.

A Level Biology

Plant Growth Substances Questions - A-Level

These are practice examination questions on Plant Growth Substances for A-Level Biology.

A Level Biology

Plant Growth Substances Answers - A-Level

These are the answers to the Plant Growth Substances practice questions for A-Level Biology.

A Level Biology

Temperature Regulation Questions - A-Level

These are practice examination questions on Temperature Regulation for A-Level Biology.

A Level Biology

Temperature Regulation Answers - A-Level

These are the answers to the Temperature Regulation practice questions for A-Level Biology.

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