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ADH is produced by the pituitary gland located in the brain. When the water content of blood is low, more ADH is released from the pituitary gland into the blood. When it reaches the kidneys, it causes th...

As light passes through the cornea and lens, refraction takes place at varying degrees depending on lens shape. Objects closer to the eye have diverging light rays, thus need more refraction from the lens...

Enzymes are biological catalysts that hydrolyse chemical bonds in biological molecules, such as lipids. Enzymes are important in digestion, as they aid the absorption of molecules across the lumen of the ...

Anaerobic respiration in yeast cells produces carbon dioxide and ethanol. Whereas anaerobic respiration in muscle cells produces lactic acid only.Both, however, do produce little amounts of ATP (energy)

This process is called Ventilation and is a required step in aerobic respiration.This process starts with the diaphragm contracting, one also sees the (external) intercostal muscles contract. These contra...