Unformatted text preview: s of the internal and external environments (stimuli – sight, sound, pressure, pH, etc.) etc • Action potentials may be passed on to other neurons, muscle cells, or secretory cells (endocrine glands) • Nerves control and regulate the activity of most organs and organ systems in animals • Glial cells do not process information, but support the activity of neurons Tissues, Organs, and Organ Systems
• Organs consist of two or more tissue types (often every type) • Organs perform specific physiological functions • Organ systems are groups of organs interconnected to perform one or more functions table 40-01a.jpg Table 40.1 – Part 1 Table 40.1 – Part 1 table 40-01b.jpg Table 40.1 – Part 2 Table 40.1 – Part 2 Animal Organs: The Human Stomach
• The stomach is: lined by a secretory gastric epithelium which produces HCl, mucous, and proteases to degrade ingested proteins supported by connective tissue ringed by smooth muscle to mechanically disrupt the ingested food nourished by blood vessels and regulated by nerves and regulated Fig. 40.2...
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This note was uploaded on 10/25/2010 for the course MUS 347 taught by Professor Mook during the Fall '08 term at ASU.
- Fall '08