large intestine : In  mammals , the colon consists of four sections: the  ascending colon , the  transverse colon , the  descending colo...

GASTRIC GLAND : The  gastric gland  is the basic secretory unit of the stomach and contains a variety of component cells located in char...

HUMAN  PHYSIOLOGY  William Harvey is considered the founder of modern physiology in 1578 – 1657 . Johannes muller is main contribu...

Small intestine : A thin membrane known as the  mesentery  extends from the posterior body wall of the abdominal cavity to surround the...

Stomach ( gaster ) : Stomach is a widest part of the alimentary canal . it is J – shape and stomach is a bag like structure . the po...

LUNGS : The lungs are a pair of spongy, air-filled organs located on either side of the chest (thorax). The trachea (windpipe) conducts i...

Barrier Barrier contraceptives   are devices that attempt to prevent  pregnancy  by physically preventing  sperm  from entering the ut...

Hormonal Method : Hormonal contraception  is available in a number of different forms, including  oral pills ,  implants  under the s...

HUMAN EXCRETORY SYSTEM : KIDNEYS : The kidneys are bean-shaped organs that serve several essential regulatory roles in vertebrates....

Sterilization : Surgical sterilization  is available in the form of  tubal ligation  for women and  vasectomy  for men . There are no...