Narcotic because codeine is a scheduled drug
1.- When the sperm penetrates the ovum it lose the tail and it’s mitochondria
2.- When the zygote start developing it’ll have only maternal mitochondria
<em>Answer:</em>
<em>Paul's muscular fitness would best be improved through </em><em>gymnastics</em><em>. </em>
<em>Explanation:</em>
<em>Gymnastics is an excellent sport that is extremely taxing on the muscular system as it requires the person who performs different gymnastic elements to use all the muscles in their body to be able to actually perform them. For that reason, gymnastics would be the best way of obtaining that.</em>