GCSE Biology (Science) learning topics and material for students in Year 7 to Year 11.
Diseases caused by protists and bacteria are typically spread in a few different ways. Bacteria are tiny organisms that can multiply quickly and cause infections by producing toxins or damaging cells. Protists are single-celled organisms that can cause diseases such as malaria or amoebic dysentery.
Viral and fungal diseases are some of the most pervasive health concerns today. In addition, various pathogens, including viruses, bacteria, and fungi, can cause both diseases.
Have you ever wondered how the food you eat gets broken down and processed by your body? Well, it's all thanks to digestive enzymes. Enzymes are produced by various organs in the body, including the salivary glands, stomach lining, and pancreas. They work together to break down the food we eat.
Enzymes are essential for life. The body contains dozens of different types of enzymes. They are responsible for speeding up chemical reactions inside your body.
Cancer develops due to abnormal cell growth and the division of cells. These cellular modifications result in a solid mass (tumour) made up of these abnormal cells. It's important to note that not all tumours are cancerous, they can either be benign or malignant.
Communicable diseases are illnesses caused by infectious agents like bacteria, viruses, parasites, or fungi that can be spread from one person to another, either directly or indirectly.
