From a distance, Biosphere 2 emerges from the cacti and creosote of the Sonoran desert like a gleaming oasis, a colony of glass and bright white structures. Despite being just outside Tucson, Arizona, ...

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 ...

Aerobic exercise reduces the risk of many health conditions, ranging from heart disease to dementia. Although all forms of physical activity provide some benefits, aerobic exercise is particularly ...

Both aerobic and anaerobic exercises are beneficial for a person’s health, although each benefits the body in different ways. Aerobic exercises are endurance-type exercises that increase a person’s ...

When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works. Personal trainers and exercise physiologists often talk about aerobic exercise and they may ...

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 ...