GCSE Biology: OCR B1

Course details

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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