This preview shows pages 1–2. Sign up to view the full content.
This preview has intentionally blurred sections. Sign up to view the full version.View Full Document
Unformatted text preview: Chapter 40 Homeostasis Organ composed of four different tissues: epithelial , connective , muscle , and nervous Epithelial: cover the body and line hollow organs and blood vessels Squamous : flat cells for permeable boundaries in skin and the gut Cuboidal : cube-shaped cells for transport of secretion in lining of ducts such as kidney and thyroid follicles Columnar : tall, narrow cells for transport, found in the respiratory tract, the small intestine, and bile duct Apical ends face outer surfaces and may have cilia or folds for SA; basil ends face inner surfaces Connective Dispersed cells embedded in ECM such as proteoglycans , adipose tissue , blood , collagen , and elastin (heart, lungs, skin) Collagen for bones and cartilagestrong and varying densities Dense in tendons and ligaments, netlike in organs shape, low density between organs, cartilage, bone...
View Full Document
- Fall '08