Which has more mitochondria heart or brain?
Table of Contents
Which has more mitochondria heart or brain?
A. Your heart muscle cells – with about 5,000 mitochondria per cell. These cells need more energy, so they contain more mitochondria than any other organ in the body!
What has more mitochondria muscle or brain cells?
Muscle cells need energy to do mechanical work and respond quickly. Thus a higher number of mitochondria is present so that the cells requirement of energy to perform its specific function is fulfilled.
Why does cardiac muscle tissue have a larger than usual number of mitochondria?
Cardiac muscle cells contain larger amounts of mitochondria than other cells in the body, enabling higher ATP production. Myoglobin transfers oxygen from the blood to the muscle cell and stores reserve oxygen for aerobic metabolic function in the muscle cell.
Why does the muscle cell have more mitochondria?
As muscle cells have a high demand for energy (due to their function), they have a large number of mitochondria in order to meet their energy needs. Muscle cells are assiciated with a large number of mitochondria as they require more ATP (energy) to function than other cells.
Why do brain cells have more mitochondria?
Calcium is critical for brain activity, including for transmitting between synapses. Mitochondria’s calcium uptake normally allows electrical signals to pass between cells. But longer mitochondria meant a greater capacity to take up calcium at synapses.
Why do heart muscle cells have lots of mitochondria?
Heart muscles have numerous mitochondria, to provide sufficient energy. Heart muscles are very active and work continuously so they need more energy.
Which muscle type has more mitochondria?
Slow-twitch muscle fibers
Slow-twitch muscle fibers have high concentrations of mitochondria and myoglobin. Although they are smaller than the fast-twitch fibers, they are surrounded by more capillaries (1,2).
Why should mitochondria be larger and more abundant in cardiac muscle than in skeletal muscle?
Mitochondria supply the cell with ATP (Adenosine Triphosphate), which is the energy the cell needs. A heart cell is a type of muscle cell which needs plenty of energy to contract and keep functioning. This is why a heart cell needs more mitochondria than other cells- because they need more energy.