Respiration close respirationA chemical reaction that occurs in the mitochondria of cells in which glucose and oxygen react to produce carbon dioxide and water, releasing energy. is a chemical ...

A plant's success may depend on how well the three sets of genetic instructions it carries in its cells cooperate, according to a new study led by plant scientists at Penn State. In an analysis of the ...

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 ...

Painful respiration can involve lung pain that occurs when a person breathes in or out. Infections, musculoskeletal injuries, and heart problems can cause this pain. The lungs do not have pain ...

In obese individuals, endurance exercise improves fitness and increases the number of mitochondria and cellular respiration in skeletal muscles. However, the intervention has no effect on cellular ...

Here we describe the case of a patient (Patient 1) who was hospitalized for non–ST-segment elevation myocardial infarction. After the patient underwent complete revascularization for three-vessel ...