This pack contains the following worksheets and answers for the GCSE biology Organisation topic: Factors affecting enzyme action Digestion Digestive enzymes Gas exchange and the lungs Heart Blood vessels Blood Coronary heart disease Health and disease Risk factors for non-communicable diseases Cancer Plant organisation Transpiration & translocation

This pack contains the following worksheets and answers for the GCSE biology Infection & Response topic: Immune system, physical & chemical barriers Bacterial disease Communicable disease Drug discovery & development Drugs, painkillers and antibiotics Fungal and protist diseases Vaccines Viral diseases

This pack contains the following worksheets and answers for the GCSE biology Homeostasis topic: Homeostasis The nervous system & reflex arc The endocrine system Diabetes & controlling blood glucose The menstrual cycle & puberty Contraception Controlling fertility & hormones

A worksheet for anybody studying Energy Stores and Systems in GCSE Physics.

This pack contains the following worksheets and answers for the GCSE biology Cells topic: Active transport Diffusion Osmosis Cell organisation (subcellular structures) Enzymes (how they work) Exchange surfaces

This pack contains the following worksheets and answers for the GCSE biology Bioenergetics topic: Respiration Exercise and oxygen debt Photosynthesis Factors affecting the rate of photosynthesis

This video explores how temperature and pH affect enzymes, and how to calculate the rate of reaction.

In this video we explore: the conservation of energy principle; the forms energy can take; how energy can be transferred; open and closed systems; and the concept of work done.

This worksheet and video cover what osmosis is and where it takes place.

This worksheet and video explore what homeostasis is, the different components, how automatic control systems work, and what negative feedback is. We also do worksheets and videos on lots of other topics, so please check them out on our Tes page and youTube channel! Tes - https://www.tes.com/member/CognitoEdu YouTube - https://www.youtube.com/channel/UCaGEe4KXZrjou9kQx6ezG2w

Worksheet and accompanying video cover types of microscopes, resolution, units and magnification calculation.

This video covers the structure of the lungs and how the alveoli are adapted for gas exchange

This worksheet and video cover: how somebody becomes pregnant, the menstrual cycle including the hormones and their effects on the uterus lining, and puberty. We also do worksheets and videos on lots of other topics, so please check them out on our Tes page and youTube channel! Tes - https://www.tes.com/member/CognitoEdu YouTube - https://www.youtube.com/channel/UCaGEe4KXZrjou9kQx6ezG2w

This worksheet and video cover: why some women are infertile, how hormones can help, how IVF works, and the ethical concerns around such topics. We also do worksheets and videos on lots of other topics, so please check them out on our Tes page and youTube channel! Tes - https://www.tes.com/member/CognitoEdu YouTube - https://www.youtube.com/channel/UCaGEe4KXZrjou9kQx6ezG2w

This worksheet covers the original substances we use for drugs are found in nature, and how we refine these, and then do a series of tests to check the drugs are effective We have also done video on it here: https://www.youtube.com/watch?v=w3ykU52K-Hw We also do worksheets and videos on lots of other topics, so please check them out on our Tes page and youTube channel! Tes - https://www.tes.com/member/CognitoEdu YouTube - https://www.youtube.com/channel/UCaGEe4KXZrjou9kQx6ezG2w

In this video and worksheet we explore the functions of the different components of the blood, and how we can replace lost blood with artificial blood or transfusions.

This worksheet and video cover the structure and function of the heart, the double circulatory system, coronary arteries and pacemaker cells.

This worksheet and video cover how sexual and asexual reproduction work, and the differences between the two. We also do worksheets and videos on lots of other topics, so please check them out on our Tes page and youTube channel! Tes - https://www.tes.com/member/CognitoEdu YouTube - https://www.youtube.com/channel/UCaGEe4KXZrjou9kQx6ezG2w

This worksheet and video cover what photosynthesis is including the reaction, how it works, and what the glucose is used for. We also do worksheets and videos on lots of other topics, so please check them out on our Tes page and youTube channel! Tes - https://www.tes.com/member/CognitoEdu YouTube - https://www.youtube.com/channel/UCaGEe4KXZrjou9kQx6ezG2w

This worksheet covers how exercise affects the body, including how we cope with the extra demand for oxygen, and how the use of anaerobic respiration builds up an oxygen debt. We also do worksheets and videos on lots of other topics, so please check them out on our Tes page and youTube channel! Tes - https://www.tes.com/member/CognitoEdu YouTube - https://www.youtube.com/channel/UCaGEe4KXZrjou9kQx6ezG2w