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Body Systems

Respiratory System – Structures and Functions

THE PRIMARY ROLE of the respiratory system is to make oxygen available to cells for cellular respiration and to remove carbon dioxide, the main byproduct of that metabolism. The entire process of respiration encompasses five unique and sequential processes: Breathing (pulmonary ventilation)-the movement of air into and

Urinary And Renal System: Anatomy, Physiology, Structure and Function

The renal system consists of the kidneys, ureters, bladder, and urethra. The kidney contains the nephron, the functional unit of the renal system. The nephron consists of the glomerular and peritubular capillaries and the associated tubular segments. The glomerular tuft (glomerulus) contains capillaries and the beginning of

Male Reproductive System – Locations and Functions of the Male Reproductive Organs

The primary functions of the male reproductive system are the production of male sex hormones, the formation of sperm, and the placement of sperm in the female reproductive tract, where one sperm can unite with a female sex cell. The organs of the male reproductive system include

Female Reproductive System – Locations and Functions of the Female Reproductive Organs

The female reproductive system produces female sex hormones and female sex cells and transports the sex cells to a site where they may unite with sperm. In addition, the female reproductive system provides a suitable environment for the development of the embryo and fetus and is actively

Limbic System

The word limbus means ring, the term limbic system is applied to the parts of the cortical and subcortical structures that create a ring around the upper end of the brainstem. The limbic region was formerly referred to as rhinencephalon because of its association to olfaction, however

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