License Image The adult human skeleton is made up of 206 bones, and is divided into two main divisions: the axial and appendicular.
Body Systems
Artery System
License Image The main arteries are: aorta Head & Neck: external carotid artery internal carotid artery common carotid artery Arm: subclavian artery brachial artery radial artery ulnar artery Leg: common iliac artery external iliac artery femoral artery popliteal artery anterior tibial artery posterior tibial artery
Respiratory System Overview
License Image Air enters through the nose and mouth and passes through the pharynx into the larynx (where the vocal cords are located). Food entering the mouth also passes through the pharynx. It is prevented from entering the lungs by the epiglottis, which folds down over the larynx when swallowing. From the larynx air enters […]
Gastrointestinal System Overview
License Image The gastrointestinal system has two components, the gastrointestinal tract and the accessory digestive organs. The gastrointestinal tract is a long muscular tube which extends from the mouth to the anus. It includes the oral cavity, pharynx, esophagus, stomach, duodenum, small intestine, large intestine, rectum and anus. The accessory digestive organs are: the salivary […]
Urinary System Diagram
License Image The urinary system is composed of the kidneys, ureters, bladder and urethra. Blood from the heart travels down the aorta where it enters the kidney via the renal arteries. The kidney acts as a filter and regulator, removing waste products (urea) and balancing glucose, electrolytes (salt, potassium and other minerals) and water levels […]
Female Reproductive System
License Image The organs of the female reproductive system consist of: internal: ovaries, fallopian tubes, uterus, cervix and vagina external: mons pubis, labia majora, labia minora, clitoris, and Bartholin’s glands Nearby structures are the bladder, urethra, pubic bone, rectum and anus. The ovaries produce oocytes (eggs) and the hormones estrogen and progesterone. The Bartholin’s glands […]
Male Reproductive System
License Image The male reproductive organs include the testes, the epididymis, the vas deferens, seminal vesicles, prostate, bulbourethral glands, scrotum and penis. Nearby structures are the bladder and rectum. Sperm are produced in the testes and move into the epididymis where they mature over a period of 10 to 14 days. Sperm are stored here […]
