difference between excretion and secretion?
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Excretion vs Secretion
Excretion Secretion
Excretion is a process of movement of materials from one part of the body to another Secretion is the process of removal of waste materials from the body
Materials like enzymes, saliva and hormones are secreted in the body Materials like carbon dioxide, sweat, tears, faeces and urine are excreted from the body
It is an active process It is a passive process
The secreted substances are involved in the metabolism of the body The excreted substances are no longer of use to the body they are eliminated from the body
Endocrine glands, salivary glands, digestive glands, liver, pancreas and gallbladder are involved in the process of secretion Lungs, skin, tear ducts and rectum are involved in the process of secretion.......