ph during digestion

Mechanism of Digestion - Once the food is ingested into the mouth the action of the upper and the lower jaw crushes and grinds the food. This process is called mastification. This also stimulates the production of saliva. Saliva is thoroughly mixed with the food with the action of the jaw..

A well developed digestive system which can take care of the energy requirements of the animal is present. It consists of an alimentary canal and associated structures. The buccal cavity contains teeth, which are of three different types : incisors, premolars and molars. Canines are absen..

Digestive System of Grasshopper - Digestion takes place in specialised cavities joined together to form a continuous canal. It is called the alimentary canal. Grasshopper - Digestive System The alimentary canal is divided into three main portions: Foregut Midgut Hindgu..

Digestive System in Cockroach (Invertebrates) - Nutrition in cockroach is holozoic and it is an omnivore, feeding on different kinds of organic matter. It takes in pieces of food and has to grind them before digesting them. Thus its mouth parts are modified accordingly for chewi..

It is the largest gland and is found in the upper part of the abdomen on the right side just below the diaphragm. Its secretion is called bile juice. It is alkaline and rich in organic (steroid) salts called the bile salts. The alkaline nature serves to neutralize the acidic pH of t..

Skeletal system - The skeleton of rat has 223 bones that are distributed into the axial skeleton and the appendicular skeleton. The axial skeleton consists of skull, vertebral column, sternum, ribs and ear ossicles. The appendicular skeleton is represented by girdles and limb bone..

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It is rootless aquatic plant with segmented leaves. Some leaves are modified into small shortly stalked bladder. At the narrower end is an opening guarded by valve like structure. Utricularia or Bladder Wort On the outer surface are bristles and sensitive hair. The external glands secrete dige..

is secreted in its inactive form trypsinogen and converted to its active form in the intestine with an alkaline pH. Trypsin is a protease that hydrolyses proteins into peptides. It cannot act on collagen effectively and not at all on casein (unlike pepsin) and keratin. However, it acts o..

The lymph vessels that remain in the center of the villi of alimentary canal are called lacteals. They collect milk white fluid called chyle from the intestine after digestion. The lacteals absorb fats from the intestine. Main drainage routes of Lymphatic Sys..