Best Answer: mitochondria are the energy producers of cells, and your heart needs a lot of energy. As Diane said, your heart does not get a chance to rest, so it must be continuously supplied with energy. Larger mitochondria make more energy than smaller ones.
Gotta love that. SI Swimsuit tells us that Rose Bertram is 20 years-old, lives in Paris but is originally from Belgium, and was their very first 2015 Casting Call candidate back in March. Luckily for us they didnât forget about her after seeing almost 60 models and thatâs why sheâs a part of the 2015 rookie class.
Report Abuse. 1  Rose: 17. Jack: 20. 2  Rose was indeed 17 but Jack was actually 19 not 20 as his birthday was in the month of June of 1892 and the ship sink in April 1912. Rachel-Pandapuff. 3  Rose is 25 years old and Jack is 26 years old there's your answer. josephine Â· 6 months ago.