Digestive System Lecture by Ms. Jishu Baiju.

to certain life body needs water, electrolyte,minerals,for this purpose…whole system helps.it consist of alimentary tract and accessory organs……alimentary tract starts from mouth,pharynx,oesophagus,stomach,small intestine,large intestine,rectum and anus.

Penicillin Lecture by Ms. Jishu Baiju.

Penicillin is an antibiotic, act against both gram negative and gram positive organisms. Growth of micro organism occurs because of its rigid cell wall but because of penicillin forms enzymes which …