plz help me solving some questions of bio
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a. They are two bean-shaped organs, each about the size of a fist, located just below the rib cage, one on each side of your spine. The kidneys are responsible for getting rid of waste products, drugs, and toxins through our urine.
b.Its main function is the exchange of gases by opening and closing the pores in the leaves
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sorry I can't answer c bit
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a) The kidneys are a pair of bean-shaped organs on either side of your spine, below your ribs and behind your belly. Each kidney is about 4 or 5 inches long, roughly the size of a large fist. The kidneys' job is to filter your blood.
b)The stomach has 3 main functions: temporary storage for food, which passes from the esophagus to the stomach where it is held for 2 hours or longer. mixing and breakdown of food by contraction and relaxation of the muscle layers in the stomach. digestion of food.
c)
•The roots of plant can not respire if they remain water logged for a long time. This is because water replaces the air present between the soil particles. Thus, the roots do not get enough air to respire and the plant may die.
•It is necessary to destarch a plant before performing photosynthesis experiment because the amount of starch formed during the experiment should be validated. ... Thus the amount of starch produced will be 'directly proportional' to the 'rate of photosynthesis
•The lungs are responsible for the excretion of gaseous wastes, primarily carbon dioxide from cellular respiration in cells throughout the body. Exhaled air also contains water vapor and trace levels of some other waste gases. The paired kidneys are often considered the main organs of excretion.
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