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

Many diseases derive from problems with cellular respiration, the process through which cells extract energy from nutrients. Researchers have now discovered a new function for a protein in the ...

First and foremost, we breathe in order to absorb oxygen—but this vital rhythm could also have other functions. Over the past ...

Latest findings regarding nitric oxide have the potential to reshape fundamentally the way we think about the respiratory system -- and offer new avenues to save lives. Scientific dogma has the ...

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 ...

Respiration is a series of reactions, but this summarises the overall process. Human muscle can respire anaerobically for short periods of time – even though the process is relatively inefficient, ...

Respiration is the process by which energy is released from food in our body. The function of respiratory system is to breathe in oxygen for respiration producing energy from food, and to breathe out ...

Breathing refers to the physical act of inhaling and exhaling air through the lungs. It involves the movement of air in and out of the body, which is facilitated by the diaphragm and other muscles of ...