This is a complete lesson covering sections 5.1.5 l of the OCR Biology specification-muscles. It covers the structure and function of skeletal muscle, smooth muscle and cardiac muscle. It then goes into the ultra-structure of a skeletal muscle including myofibrils, actin and myosin and how they work together to bring about muscle movement through the sliding filament model. The lesson closes by looking at the neuromuscular junction and how action potentials are passed to the muscle to cause contraction. The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end. All answers are included. I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets.

This is a complete lesson covering sections 5.1.5 i of the OCR Biology specification-reflex reactions. The lesson starts by introducing the reflex arc and what the events in one are. It also covers the knee jerk reflex and the blink reflex as examples of the survival importance of reflexes. It also offers an opportunity of planning a practical investigating reaction times The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end. All answers are included. I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets.

This is a complete lesson covering sections 5.1.5 j of the OCR Biology specification-he co-ordination of animal responses by the endocrine and nervous system. It covers the flight and flight response as well as the role played by hormones in cell signalling using adrenaline as an example. The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end. All answers are included. I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets.

This is a complete lesson covering sections 5.1.5 g and h of the OCR Biology specification- organisation of the nervous system and structure of the brain. It starts with the organisation of the nervous system into both structural and functional groupings. It the gives students the chance to practise working out which system different actions belong to. It then goes on to cover the structure and function of the human brain including the cerebrum, cerebellum and medulla oblongata. It closes by examining the link between homeostasis and the autonomic nervous system. The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end. All answers are included. I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets.

This is a complete lesson covering sections 5.1.2 d of the OCR Biology specification- synapses. It covers the structure and function of a cholinergic synapse and how the movement of an action potential between neurones is triggered by an influx of calcium ions in the presynaptic membrane. The lesson then goes on to discuss convergent and divergent synapses as well as spatial and temporal summation. The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end All answers are included I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets

This is a complete lesson covering sections 5.1.2 c of the OCR Biology specification- nervous conduction by action potential. It goes through how the resting potential is maintained as well as the changes that occur during an action potential. It then goes on to cover how action potentials are propagated along the membrane as well as a reminder about saltatory conductions via nodes of Ranvier. The lesson closes by discussing action potentials as an all or nothing response and how the body interprets different size of stimuli. The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end All answers are included I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets

This is a complete lesson covering sections 5.1.2 a and b of the OCR Biology specification- receptors and neurones in the nervous system. It goes through the structure and function of neurones along with the difference between myelinated and unmyelinated neurones. It also covers multiple sclerosis as an example of an autoimmune disease. The lesson then moves onto the difference types of receptors and then uses the Pacinian corpuscle as an example of how receptors function. The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end. All answers are included. I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets

This is a complete lesson covering sections 5.1.1 bi and ii of the OCR Biology specification- the role of the liver in homeostasis. It goes through the structure and function of the liver including images to demonstrate the histology of the liver. It then looks at the individual roles of the liver including deamination and detoxification. The lesson ends with looking at the effects of alcohol on the liver and considering the various stages of liver failure The lesson includes a starter, full notes, various student led activities and a differentiated summary at the end. All answers are included. I actively try to reduce photocopying, so all of the lesson resources are within the PowerPoint rather than as extra sheets.

A complete lesson covering the specification points 5.1.2 e and f- kidney failure and its treatment and the use of urine testing both in medical diagnosis and in detecting drug use. The lesson includes a starter, full notes various student activities including exam questions and a differentiated summary at the end. All answers provided I always try to reduce photocopying so all resources are embedded in the PPT

This is the third lesson in a set of three covering the structure and function of the KIdney. This lesson specifically focuses on specification point 5.1.2 d- the role of the kidney is osmoregulation. It covers the kidney as an excretory organ as well as the role of ADH in controlling the water balance. It reinforces prior learning regarding negative feedback systems . It also includes how the pituitary gland and hypothalamus are involved. The lesson includes a starter, full notes, a variety of student led activities, and a differentiated summary at the end. All answers included

This is the second of three lessons covering the structure and function of the mammalian kidney. It covers section 5.1.2 ci, ii and iii of the OCR Biology specification. It covers the ultrafiltration of blood in the bowman’s capsule, reabsorbtion in the PCT, the role of the loop of Henle and the reabsorbtion of water from the collecting duct. The lesson includes a starter, full notes, a variety of student led activities and a fully differentiated summary at the end. All answers included

This is the first of three lessons covering section 5.1.2 of the OCR A level Biology specification. This particular lesson focuses on section Ci, ii and iii which covers the structure and histology of the kidney as well as the function of each of the parts of the nephron. The lesson includes instructions for a kidney dissection which can be used for PAG 01 and 02 or links to a video as an alternative. The lesson includes full notes, a starter, various student activities, and a fully differentiated summary at the end. All answers included

A complete lesson covering section 5.1.1 d of the OCR Biology specification- thermoregulation. This includes both endotherms and ectotherms and the differences between them. Lots of different species as examples. It covers both behavioural and physiological adaptations and the role of the thermoregulatory centre in ectotherms. The lesson includes a starter, full notes, a variety of student activities and a fully differentiated summary at the end All answers included

A full lesson covering section 5.1.1 a-c of the OCR Biology specification- Homeostasis. The lesson covers the need for communication systems as well as the methods by which cells can communicate with other cells including the example of the dogs vomit fungus. It also introduces the principles of homeostasis including negative and positive feedback as well as the internal conditions that need to maintained. The lesson includes a starter, full notes, a variety of student activities, and a fully differentiated summary at the end. All answers included

A full lesson covering section 4.2.2 F of of the OCR Biology Specification- adaptations. It covers physiological, behavioural and structural adapations in both animals and plants. It also covers the example of convergent evolution displayed by moles and marsupial moles. The lesson includes a starter, full notes, various student activities and a fully differentiated summary at the end. All answers included

This is a complete lesson covering section 4.2.2 f of the OCR A level Biology specification- variation as statistical analysis. It covers the meaning of variation, the different types of variation and its causes. The lesson finishes by explaining how to calculate Spearman rank correlation and providing both a worked example and an opportunity for students to attempt their own. The lesson includes a starter, full notes, student activities and a differentiated summary at the end, All answers provided

A double lesson covering module 4 sections 4.2. 2 e, h and i of the OCR A level BIology specification- the evidence for and process of natural selection. The lesson covers Darwin’s journey on the Beagle and the evidence that he collected as well as the observations that he made. It also discusses the conclusions he was able to draw from those observations. It then looks at natural selection as a means for evolution as well as modern issues with evolution including pesticide resistance and MRSA. It closes by introducing the red queen hypothesis and its meaning for evolution. The lesson includes a starter, full notes, a variety of student led activities and a differentiated summary at the end. All answers provided

A complete lesson covering section 4.2.2 ci of the OCR biology specification. It covers the features that are used to classify each of the five Kingdoms in Linnean classification. The lesson covers how and why classification has changed from originally having only 2 kingdoms. It includes the developments made following the use of microscopes to look at single celled organisms. The lesson includes a starter, full notes, various student activities and a differentiated summary All answers included.