Anatomy and Physiology For Dummies

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The more protons there are in the nucleus, the stronger the atom’s positive charge is and the more electrons it can attract. p>\n

Following are ten key things you can start doing today to ensure success not only in anatomy and physiology but in any number of other classes.

Genus Homo: The human species is the only surviving species of our genus, though this genus included several species in the evolutionary past.

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Each orbital has a four-quantum-number address (characteristic energy, 3-D shape, orientation, and spin).But quantum theory best describes information about electron-states using wave functions, or orbitals. Although all these technologies are considered noninvasive, ultrasound is the least invasive of all, and so is used more freely, especially in sensitive situations like pregnancy. Anatomy and Physiology For Dummies, 2nd Edition, appeals to students and life-learners alike, as a course supplement or simply as a guide to this intriguing field of science. And if you’re a kinesthetic learner, there’s nothing like touching or holding to commit something to memory. p>\n

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• Dorsal cavity:The space within the skull and vertebrae (backbone)\n
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  • Cranial cavity:Contains the brain
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  • Spinal cavity:Contains the spinal cord, which is an extension of the brain
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• Ventral cavity:Anterior portion of the torso; divided by the diaphragm into the thoracic cavity and abdominopelvic cavity\n
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  • Thoracic cavity:The chest or thorax; contains the heart, lungs, and their associated structures, as well as the esophagus and several glands\n
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    • Pleural cavities:Surround each lung
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    • Pericardial cavity: Contains the heart
      \nThe pleural cavities flank the pericardial cavity
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• Abdominopelvic cavity:The portion of the ventral cavity below the diaphragm\n
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  • Abdominal cavity:Contains the stomach, liver, gallbladder, pancreas, spleen, small intestines, and most of the large intestine
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  • Pelvic cavity:Contains the end of the large intestine, rectum, urinary bladder, and internal reproductive organs
    \nThere is no obvious division between these two cavities
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The body takes a divide-and-conquer approach to completing all of the tasks it must do to sustain life.

The mid-sagittal plane and a transverse plane intersect at an imaginary axis passing through the body at the navel (belly button).png Developmental anatomy: The study of the life cycle of the individual, from fertilized egg through adulthood, senescence (aging), and death. Most specie-al of all, possibly, is the anatomy and physiology that allows (or maybe compels) humans to engage in science: humankind’s highly developed brain and nervous system.