Chapter 4 : Tissue Level of Organization Flashcards
What are the four primary tissues?
Epithelial Tissue - Covers
Muscle Tissue - Produces Movement
Nervous Tissue - Communication
Connective Tissue - Support
What does Epithelial tissue do?
Protection, absorption, filtration, secretion
Sheet of cells, covers body surfaces, lines body cavities, forms boundaries.
what are the three defenses of external boundaries?
Skin and Mucosae, Cilia (Respiratory tract), and Strong acid (Stomach Glands)
What are the types of Epithelial tissue?
Covering and lining epithelia (external and internal surfaces ; skin, lines open cavities of several systems)
Glandular Epithelia - Secretory tissue in glands
What are the 5 characteristics of Epithelial tissues?
- Polarity
- Specialized contacts
- Supported by connective tissues
- Avascular but innervated
- Can regenerate