In this episode of Crash Course Botany, we’ll explore how the processes of photosynthesis! Plants and trees may seem pretty passive, but behind the scenes, their cells are working hard to put on a ...

Photosynthesis occurs in chloroplasts found within cells. It is the chloroplasts that contain the green pigment chlorophyll which absorbs light. The plant uses this glucose to grow as well as make ...

The human body takes in oxygen and lets out carbon dioxide. Many parts of the body are involved, including the lungs, airways and blood. Respiration is a chemical reaction which occurs in all living ...