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Anatomy & Phys 1-5

Chapters 1-5 Anatomy

QuestionAnswer
Anatomy examines structures of body parts
Physiology examines functions of the body parts
What are the levels of organization? Subatomic particles, atom, molecule, maromolecule, organelle, cell, tissue, organ, organ system, organism
Ultra sonography high frequency sound waves, quick and inexpensive
MRI uses dye, computerized, different angles
5 characteristics of life movement, responsiveness, growth, reprodction, respiration,
Human Life Requirements 1. water 2. food 3. oxygen 4.heat 5. pressure
Homeostasis maintenance of a stable internal environnment
Negative Feedback receptors measure variation from set point, effectors bring it back to normal
5 more characteristics of life 1. Digestion 2. Absorption 3. Circulation 4.Assimilation 5. Excretion
Axial Portion head, neck, trunk
Cranial Cavity houses brain
Spinal Cavity contains spinal cord surrounded by vertebrae
Thoracic Cavity right and left lungs, mediastinum
Abdominopelvic Cavity abdominal portion (stomach, liver, spleen, gallbladder)
What separates the thoracic cavity from the abdominopelvic cavity? Diaphragm
Positive Feedback blood clotting, uterine contractions
Appendicular Portion upper and lower limbs
Mechanisms of Homeostasis 1. receptors 2. control center 3. effectors
Visceral Layer covers an organ
Parietal Layer lines a cavity or body wall
Thoracic membranes visceral pleura parietal pleura visceral pericardium parietal pericardium
Abdominopelvic membranes parietal peritoneum visceral peritoneum
Provides framework and protection Skeletal System
Body section cut down the middle Sagittal
Cut that divides the body into superior and inferior portions Transverse
Cut that divides the body into anterior and posterior portions Coronal
Stand erect, facing forward, upper limbs at the sides, palms facing forward Anatomical Positioning
Superior vs. Inferior higher- lower
Anterior vs. POsterior front- back
Medial vs. Lateral middle- side
Ipsilateral vs. Contralateral same side, right/left
Proximal vs. Distal closer to the body- away from the body
Superficial vs. Deep surface- deeper
Nucleus center of an atom
POsitively charged particles protons
Uncharged particles neutrons
Negatively charged particals Electrons
Created by: bishoplrachael
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