There are 640 muscles......
Answer:
Carbohydrates give you energy for instance marathon runners will eat a lot of carbs like pasta and bread to give them energy
Explanation:
Development of the ozone layer
>> sharks and trilobites abundant in oceans
>> plants and animals colonize land
>> dominance of reptiles >> dominance of mammals
Answer:
Skeletal muscles
Explanation:
there are 700 skeletal muscles in our body which make half of our body.