Although each organelle performs a specific function ... the number of mitochondria they contain. For example, muscle cells in people who exercise regularly possess more mitochondria than muscle ...

Cardiac muscle cells also contain mitochondria, which many people call the powerhouses of the cells. These are organelles that convert oxygen and glucose into energy in the form of adenosine ...

The heartbeat is carried out by specialized heart muscle cells called cardiomyocytes ... and the connections between ...

Changes in the physical characteristics of major organelles can provide great insight into the cells’ states. For instance, in myopathy conditions such as Duchenne muscular dystrophy, mitochondria in ...

Mitochondria Organelles that contain the enzymes for ... which insulates the nerve cell and speeds up the nerve impulse. Muscle cells contain filaments of protein that slide over each other ...