The alimentary canal is the doorway through which all nutrients and energy sources pass before they are utilized. It extends from mouth to anus. The associated glands include salivary glands, liver and pancreas which...
The salivary glands produce saliva through a system of ducts, you have three paired major salivary glands (parotid, submandibular, and sublingual), as well as hundreds of minor salivary glands, In humans, 1200 to 1500...
Saliva has an enzyme called amylase that makes it easier for the stomach to break down starches in food. It helps moisten food so we can swallow it more easily. Saliva prevents infections in...
A heterotrophic organism (consumer) obtains its food in the form of ready organism materials which are large and complex molecules, These molecules can not diffuse through the cell membrane of a living organism, So,...
