GCSE Biology: OCR B1

This is the complete GCSE Biology B1 course with videos, quizzes and additional content, in this course you will learn:

•about the heart and how it may lead to high and low blood pressure. We also discuss the differences between fitness and health

•the health implications of smoking and the dangerous chemicals in cigarette smoke. We also look at smokers cough which is higher level

•the importance of a healthy diet. We examine the role of carbohydrates, fats and proteins. EAR is also discussed in terms of the amount of protein recommended in a daily diet.

•the different types of pathogens and the diseases that they may cause.

•how the body recognises foreign pathogens and how the immune system protects us from infection

•the strength and limitations of vaccines

•how malaria is transferred from human to human and steps that can be made to reduce the spread of malaria

•A quick discussion on drug testing, including blind and double blind trials

•A discussion on was to reduce the risks of getting cancer and the difference between a benign and malignant tumour

•the structure of the eye and the functions of the main parts of the eye.

•the nervous system including neurones and spinal reflexes

•different types of drugs such as depressants, hallucinogens, stimulants and again look at the dangers of smoking

•examine homeostasis and how temperature and blood sugar is regulated

•look at how plants respond to light and gravity and the commercial uses of plant hormones

•chromosomes and inheritance. Variation is caused by mutations and we look at dominant and recessive alleles

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