The heart is located underneath the sternum in a thoracic compartment called the mediastinum, which occupies the space between the lungs
1)How long did it take for the third of population to double?How long did it take for the population to double a third time? 2) 51 years
___________ A third time? It took 75 years for the population to double a second time and it took 51 years to double a third time. It will reach 8 billion at about 2024. 4.
Thrifty metabolism
Thrifty metabolism is the genetic
tendency toward efficient use of energy that results in below-average energy
requirements and increased storage of calories as fat. Thrifty metabolism
contributes to less weight lost when an obese person reduce the amount of his
calorie intake even though there is changes in metabolism.
The cell cycle is a series of stages of a cell growing and dividing. If the cells did not go through the process the result would be no reproduction. The cells will be shortly lived and die.