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13 Cards in this Set
- Front
- Back
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What are the eight levels of organization of the human body?
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1) Organism
2) Organ system 3) Organ 4) Tissue 5) Cell 6) Organelle 7) Molecule 8) Atom. |
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How many kinds of Tissues?
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4.
Epithelial Nervous Muscle. Connective. |
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How many types of cells?
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1. Bone cells.
2) Nerve (spinal + brain). 3)Connective tissue. 4)Ovum & Sperm. 5) Fat. 6) Smooth muscle cells. (involuntary). 7) Striated Skeletal muscle cell (voluntary). 8) )Intestinal tract. 9) Blood |
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What are organs?
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Specialized components of the body e.g. brain, skin, or heart.
Made of tissues serving a common purpose/function. |
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Why do we have primary reference systems?
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to provide UNIFORMITY to the anatomical description of the body.
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How many primary reference systems and what are they?
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4
1) Direction. 2)Planes. 3)Cavities 4)Structural unit. |
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Midsagittal Plane
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Vertically divides body through the midline to form RIGHT AND LEFT HALF.
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TRANSVERSE / HORIZONTAL PLANE
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Superior (top) and Inferior (bottom).
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CORONAL/FRONTAL PLANE
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Anterior/Ventral
Posterior/Dorsal. |
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Cavities-two groups.
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Ventral/Anterior cavity.
Dorsal/Posterior cavity. |
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Ventral cavity contains:
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Heart.
Respiration organs. Digestion. Reproduction. Elimination. |
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Dorsal Cavity contains:
Subdivided into two: |
Nervous system structures.
1) Cranial cavity - skull space containing brain. 2) Spinal cavity - space within the bony spinal column containing the SPINAL CORD + SPINAL FLUID. |
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Ventral Cavity divided into 3:
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1) Thoracic: Heart & Lungs.
2) Abdominal (belly) : Space below the diaphragm - stomach, intestines, and other organs of digestion. 3) Pelvic: space formed by bones of the pelvic area and contains reproduction & elimination organs. |
