The circulatory system transports substances between the exchange surface and cells. It delivers oxygen and glucose to the tissues for respiration, which is the release of energy to cells.

Researchers found that Toxoplasma gondii increased the host cell’s metabolic activity, offering insights into potential ...

such as cellular respiration or photosynthesis, are essential to most aspects of cellular metabolism, therefore to life itself. The cell cortex consists of a chemical and a mechanical subsystem ...

A recent study published in Nature Communications suggests that stress may boost sperm respiration (energy production) and motility (movement) in both mice and men, with effects emerging several ...