Corpo Humano. Fundamentos de Anatomia e Fisiologia

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Another reproductive disease is testicular torsion, it occurs when the spermatic cord which holds up the testicle wraps around itself cutting off blood flow to the testicle. Most people are asymptomatic but if a stone blocks the biliary tract it causes a gallbladder attack, symptoms may include sudden pain in the upper right abdomen and or center of the abdomen. The process begins with fertilisation, where an egg released from the ovary of a female is penetrated by sperm. The endocrine hormones serve as signals from one body system to another regarding an enormous array of conditions, and resulting in variety of changes of function.

The heart propels the circulation of the blood, which serves as a "transportation system" to transfer oxygen, fuel, nutrients, waste products, immune cells and signalling molecules (i.We dedicate special attention to the estates and archives of important personalities of the arts and sciences in European and world history. Here blood passes from small arteries into capillaries, then small veins and the process begins again. The study of human physiology began with Hippocrates in Ancient Greece, around 420 BCE, and with Aristotle (384–322 BCE) who applied critical thinking and emphasis on the relationship between structure and function.

A pel do corpo humano ten unha superficie aproximada de 2 m², e o seu grosor varía entre os 0,5 mm nas pálpebras aos 4 mm nos talóns. Each alveolus is surrounded by capillaries carrying deoxygenated blood, which absorbs oxygen out of the air and into the bloodstream. Although Valverde's text relied heavily on that of Vesalius, he makes about sixty corrections and additions to his former teacher's work, mostly in the captions to the illustrations.However, not all cells have DNA; some cells such as mature red blood cells lose their nucleus as they mature. The EvoBooks develops enriched curriculum content, offering educational materials and interactive 3D models for computers, tablets, smartphones and digital whiteboards. Gallstones is a common disease in which one or more stones form in the gallbladder or biliary tract.