Tag: digestive system - organs

Saw fish, Hyla and Bombay duck belong to super class: Pisces and Division: Gnathostomata. Myxine has circular sucking type of mouth belonging to Division: Agnatha.

'Gastrulation' word is derived from Greek word 'gaster' meaning stomach and according to McEwen (1923), gastrulation refers to the formation of the primordial gastric gut or cavity called the archenteron.

Fat-soluble vitamins (A, D, E, K) are absorbed directly into the bloodstream or lymphatic system without needing chemical breakdown by digestive enzymes.

Tastes like sweet, salt, sour, bitter are sensed by all the sides of the tongue but the back of the tongue is very sensitive to bitter tastes.

Bile salts emulsify fats, which increases the surface area for the enzyme lipase to act upon, effectively activating the process of lipid digestion.

Waldeyer's ring is a ring of lymphoid tissue in the pharynx, which includes the palatine, pharyngeal (adenoid), and lingual tonsils.

Acetabulum is made up of Parts of ilium, ischium and pubis. It provides articulation for head of femur.

The taste buds for sweet are on the tip of the tongue the salt taste buds are on either side of the front of the tongue. Sour taste buds are behind this and bitter taste buds are at the posterior end

Ampulla of vas deferens, seminal vesicle, prostate gland are the structures found in the abdominal cavity of male.

Digestion of starch starts from the mouth. The salivary gland in the mouth secretes saliva, which mixes with the food that is chewed. This is because to moisten the food. The saliva in the mouth contains the enzyme called amylase that is the starch-digesting enzyme.