C i think
let me know if i was right :)
A. Competition amoumg large predatora
The brain recieves stimuli. Your brain does a lot of things for you. It is one of the busiest organs in your body. Your brain stimulis can enjoy various brain stimulis games to keep your brain healthy and sharp. if it stays healthy, everything follows after.
Mitochondria important for the cell that can't survive without it but blood cell is an exception. Blood is a tissue in animals so RBCs are animal cells and don't have mitochondria
