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The breathing rate increases at the start of exercise then reaches a peak and plateaus during exercise. After exercise the breathing rate will gradually fall, but this may take several minutes.

Dur...

When supplies of carbohydrate and lipid are inadequate, the body can use protein as a respiratory substrate- in times of prolonged starvation, tissue protein from muscles can even be broekn down for this ...

The nucleus is where the genetic information of the cell is stored as DNA; the instructions for the cell's activity. The mitochondria provide energy for the cell through the process of respiration, and th...

Variation in the population occurs through mutations. Some organisms have advantages that allow them to survive the selective pressure (thus could be Food shortage or predators) Survivors reproduce and pa...

Recall that the primary hormone involved in water retention is anti- DIURETIC- hormone (ADH). If your rember that diuretic means increased loosing water through urination then you will know that the funct...