Human Body I (Britannica Illustrated Science Library) pptx

[...]... genetically identical to the original (or mother) cell and to each other The copies arise through replication and division of the chromosomes, or genetic material, in such a way that each of the daughter cells receives a similar inheritance of chromosomes Mitosis is characteristic of eukaryotic cells It ensures that the genetic information of the species and the individual is conserved It also permits... brachiocephalic trunk and the left from the aortic arch SUBCLAVIAN VEIN connects the axillary with the superior vena cava RADIAL ARTERY runs along the radial side of the forearm LEFT PRIMITIVE ILIAC ARTERY provides blood to the pelvis and the legs LEFT PRIMITIVE ILIAC VEIN This is the primary vein of the hip area OUTSIDE OF TUNICA INTIMA TUNICA MEDIA FEMORAL ARTERY carries oxygenated blood along the thigh... WHAT EXITS 6 3 LARYNX A pharynx and trachea It participates in phonation 4 TRACHEA The great pathway for incoming air, which divides into the two smaller bronchial tubes going to the lungs 5 HAIRS EPIGLOTTIS PHARYNX The muscular tract in the neck Food and air pass through it The interior of the trachea is covered with hairs (cilia), which, like the hairs in the nose, capture dust or impurities carried... nose is cartilage) INFERIOR MAXILLARY (1) constitutes the mandible and is the only facial bone that can move freely Cranial Sinuses The sinuses are air-filled cavities whose principal known function is to humidify and heat the air that enters the respiratory tract via the nose The sinuses reduce the weight of the head, and they also act as resonance cavities, giving the voice its timbre The sinuses... electron), which is often caused by coming into contact with oxygen A consequence of this oxidative action is the aging of the body One action of antioxidants is the regulation of mitosis Preventive geriatrics has focused on using antioxidants to prevent disease and to slow aging, in part because properly regulated mitosis is fundamental to these processes CHROMATIN NUCLEUS CYTOPLASM CENTRIOLE SPINDLE FILAMENT... opening of the pelvis is larger in order for an infant's head to pass through it during childbirth The pelvic girdle is formed by two coxal, or hip, bones, which are joined in the rear with the sacral bone and are fused together in the front in the pubis The pelvic girdle is involved in the joining of the hips, where it connects to the femur (thigh bone), serving the function of transmitting weight... of animals and plants Among its numerous functions, the liver rids the blood of potentially harmful The liver is also a large blood filter and a storage site for chemical substances, such as drugs and germs vitamins A, D, E, and K The pancreas is a gland that It filters out toxins, starting in the small intestine, and it is involved in maintaining the assists in digestion, secreting pancreatic juice... cartilaginous tissue One example is the vertebral joints: they have little individual movement, but as a whole they have ample flexion, extension, and rotation The Knee The knee is the biggest joint of the body It maintains its stability because it is constrained by four ligaments: the anterior and posterior cruciate and the internal and external lateral The ligaments link the femur (the thigh bone) with... of the intestine and optimize the absorption of nutrients ARTERIAL CAPILLARY VENOUS CAPILLARY JEJUNUM The intermediate part of the small intestine, which links the duodenum with the ileum ILEUM APPENDIX CAECUM Initial section of the large intestine Opening of the appendix MUCOSA WATER THAT ENTERS THE ALIMENTARY CANAL WATER REABSORBED BY THE ALIMENTARY CANAL In fluid ounces In fluid ounces Saliva Water... 59 Urinary System ts basic organs are the kidneys (2), the ureters (2), the bladder, and the urethra Its function is to regulate homeostasis, maintaining the equilibrium between the water and the chemicals in the body The first phase of this objective is accomplished when the kidneys produce and secrete urine, a liquid that is eliminated from the body Urine is essentially harmless, only containing about . Encyclopædia Britannica, Inc. Encyclopædia Britannica, Britannica, and the thistle logo are registered trademarks of Encyclopædia Britannica, Inc. Britannica Illustrated Science Library Staff Editorial Michael. Architect Production Control Marilyn L. Barton Manufacturing Kim Gerber, Director Britannica Illustrated Science Library Britannica Illustrated Science Library Enc yclopædia Britannica, Inc. Jacob. appear in the text. Encyclopædia Britannica, Inc. Chicago ■ London ■ New Delhi ■ Paris ■ Seoul ■ Sydney ■ Taipei ■ Tokyo Britannica Illustrated Science Library Britannica Illustrated Science