Cellular Respiration. The term cellular respiration refers to the biochemical pathway by which cells release energy from the chemical bonds of food molecules and provide that energy for the essential processes of life.All living cells must carry out cellular respiration.t can be aerobic respiration in the presence of oxygen or anaerobic respiration. Prokaryotic cells carry out cellular respiration within the cytoplasm or on the inner surfaces of the cells. More emphasis here will be placed on eukaryotic cells where the mitochondria are the site of most of the reactions.
The National Heart, Lung and Blood Institute notes that while inactive, overweight women usually need 1,000 to 1,200 calories daily for weight loss, active, overweight women and women weighing more than 164 pounds usually require 1,200 to 1,600 calories each day.
To maintain weight, the chart below shows you your daily calorie limit. It's based on your age, activity level, and the BMI (body-mass index) of 21.5 for women and 22.5 for men. To lose weight-- It used to be recommended that to lose a pound per week you would need to decrease total calories by 500 a day. Now researchers believe weight loss is a slower process and that a decrease of 10 calories a day leads to a loss of about one pound in a year, but it can take as long as 3 years to get there.