Many cells in multicellular organisms are specialised. They have specific roles in the organism of which they are part. Their structure is adapted to their function. They are often grouped together ...

Green plants and algae use light energy to make glucose and oxygen from carbon dioxide and water. Temperature, carbon dioxide concentration and light intensity can affect the rate of photosynthesis.

The appendix may help support the immune system by storing good bacteria. A person can live a normal life without an appendix. The appendix, once thought to be useless, may actually play a role in ...

The prefrontal cortex is important for planning, decision-making, and controlling behavior. If the prefrontal cortex is damaged, it can change your behavior and personality. The prefrontal cortex, ...