name 2 human cell types that have more mitochondria than most other cells:_____________&_______________ explain why these cell types contain so many mitochondria
1. Secretory cells (It carries out the exocytosis to secrete substances). 2. Nerve cells (It maintains Na/k pump and also carries out exocytosis and synaptic knobs). 3(Optional) Any other cell that carries out more processes than others do.