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Unit 3

Unit 3. The Human Body. Chapter 6. Organization of the Human Body. Life. Homeostasis Cells Tissues Organs Body systems Human body. Cells. Cell membrane Cytoplasm Organelles. Question. True or False: Tissues are the smallest living structure in the body. Answer. False Cells

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Unit 3

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  1. Unit 3 The Human Body

  2. Chapter 6 Organization of the Human Body

  3. Life • Homeostasis • Cells • Tissues • Organs • Body systems • Human body

  4. Cells • Cell membrane • Cytoplasm • Organelles

  5. Question • True or False: • Tissues are the smallest living structure in the body.

  6. Answer • False • Cells • Smallest living structures in body • Tissues • Cells with similar function grouped together

  7. Cell Components

  8. Organelles • Nucleus • Mitochondrion • Lysosomes • Ribosomes • Golgi apparatus (continued)

  9. Organelles • Centrioles • Endoplasmic reticulum • Vesicles

  10. Tissues • Epithelial • Connective • Nervous • Muscular

  11. Question • Which of the following types of tissues holds parts of the body in place? • Muscular • Epithelial • Connective

  12. Answer • C. Connective • Connective tissue • Holds parts of body in place • Epithelial tissue • Covers • Muscular tissue • Allows movement

  13. Describing the Body • Anatomical position • Body planes • Directional terms • Body cavities • Abdominal regions

  14. Anatomical Position

  15. Body Planes • Midsagittal plane • Frontal plane • Transverse plane

  16. Sagittal Plane

  17. Frontal and Transverse Plane

  18. Question • Which of the following planes divides the body into front and back portions? • Midsagittal • Frontal • Transverse

  19. Answer • B. Frontal • Frontal plane • Divides body into front and back portions • Midsagittal plane • Divides body into right and left sides • Transverse plane • Divides body into top and bottom portions

  20. Directional Terms • Lateral • Medial • Anterior (ventral) • Posterior (dorsal) • Inferior (continued)

  21. Directional Terms • Superior • Caudal • Cephalic (cranial) • Deep • Superficial (continued)

  22. Directional Terms • Distal • Peripheral • Proximal • Apex • Base

  23. Question • True or False: • The medial side of the foot would be the inside aspect of the foot.

  24. Answer • True • Medial • Toward midline or center of body • Medial aspect of foot would be inside portion • Lateral • Opposite of medial • Away from center of body or toward sides

  25. Body Cavities • Posterior (dorsal) body cavity • Cranial or spinal • Anterior (ventral) body cavity • Thoracic, abdominal, or pelvic • Smaller cavities • Orbital, nasal, or buccal (continued)

  26. Body Cavities

  27. Question • True or False: • The cranial cavity contains the spinal cord.

  28. Answer • False • Spinal cavity • Located within spinal column • Contains spinal cord • Cranial cavity • Located in skull • Contains brain

  29. Abdominal Regions • Epigastric • Right and left hypochondriac • Umbilical • Right and left lumbar • Hypogastric • Right and left iliac

  30. Regions

  31. Question • Which of the following regions is located just below the sternum (breastbone)? • Hypogastric • Hypochondriac • Epigastric

  32. Answer • C. Epigastric • Epigastric region • Located just below stomach • Hypogastric region • Located over pubic area

  33. Answer • C. Epigastric • Hypochondriac regions • Located below ribs on either side of epigastric region

  34. Abdominal Quadrants

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