The excretory and urinary are not the same because the excretory system is collective for all system performing the function of eliminating waste from the body like excess water,urea, carbon dioxide and lactic acid but the urinary system focuses on removal of excess water and urea from the body
There's been a lot of bad news for polar bears recently. In 2007, for example, scientists reported that if global warming continues unabated, the population could drop two-thirds by 2050.
<span>If there is not enough carbohydrate available in cells to allow the acetyl-CoA to enter the citric acid cycle, it will be used to make ketones. Acetyl-CoA is a molecule that is important in some biochemical reactions involving protein lipid and carbohydrate metabolism. It function to transport an acetyl group to the citric acid cycle or the Krebs cycle for it to be oxidized for the production of energy. Ketone can be produced and is regulated from the acetyl-CoA. The rate of the production of this substance would increase during starvation or in other words there is less carbohydrates that is available in the body.</span>
The biological factors other than lateral and ventromedial hypothalamus that influence hunger are; the blood sugar level-glucose, Hormones-Insulin must be present to extract glucose from blood and stimulates the storage of food, and set point. Additionally, we have environmental factors that influence hunger, these includes; taste, learned preferences, habits, stress and external food cues.
Answer:
How plants cope with cope stress?
Stress comes in diverse ways for plants and they are being controlled in different ways ranging from the possession of cell wall that gives rigidity which helps to cope during wind or whirl wind and also helps to maintain it shapes, also water storage vacuole helps the plants to store water for long and helps to fight drought when there is no water for usage. Furthermore, the cell wall helps against mechanical attack or physical attack, the possession of thick bark helps not to lose water easily especially to plants in dry environment or high temperature environment that allows for high transpiration.
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