Carbon sinks
- Carbon sinks are reservoirs that store large amounts of carbon compounds. - Oceans absorb around one third of the carbon dioxide in the atmosphere. - Trees and other plants absorb carbon d...
Discover Notes
Explore notes created by other users.
Structure of the stomach
The stomach is a muscular bag that is lined with a thick layer of mucus to prevent acid and digestive enzymes from damaging the stomach wall. It has two special muscles. One is at the entran...
Blood
Blood contains: - Plasma. - Blood cells.Plasma Plasma is the liquid part of the blood. Functions of plasma: - Transports nutrients, chemicals, wastes, carbon dioxide and heat around the ...
The Immune System Explained – Why You Are Still Alive
Every second of your life you are under attack. Bacteria, viruses, spores and more living stuff wants to enter your body and use its resources for itself. The immune system is a powerful arm...
Types of Energy - 2
Potential Energy: Stored energy 1. Gravitational potential energy: is the energy stored in raised objects, for example, a rolar coaster at the top of a hill. 2. Elastic potential energy: is...
River Deposition
Rivers deposit or drop their load when they begin to slow down and lose energy. This happens: - When a river reaches the flat ground - When a river enters a lake or the sea. - At th...