PET-3322 Lecture Notes - Lecture 1: Cell Nucleus, Histology, Digestion
10 Oct 2017
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Document Summary
Chapter 1 : the human body: an orientation. Anatomy studies the structure of body parts and their relationship to one another. Physiology studies the function of body parts. Gross or macroscopic anatomy studies visible structures that are large. Microscopic anatomy deals with structures too small to be seen by naked eye. Developmental anatomy: studies anatomical and physiological development throughout life. Tissue level = groups of cells working together. Organ level = 2 or more types of tissues. System level = organs that work closely together. Organism level = the other 5 levels all come together. Being able to separate internal and external environments. The body"s organ systems and their major functions. Integumentary system: hair, skin and nails, protects body from bacteria and viruses, synthesizes vitamin d. Skeletal systems: provides backbone, protects the body"s organs. Muscular system: provides movement, manipulation of the environment. Nervous system: responds to internal and external changes by activating appropriate muscles and glands.
