BIOL 030 Lecture Notes - Lecture 15: Buttocks, Cartilage, Keratin

• School: College of The Sequoias
• Department: Biology (BIOL)
• Course: BIOL 030
• Professor: Moore

Document Summary

Found in areas where organs need protection from mechanical abrasion but need to remain moist. Mouth throat oesophagus vagina anus. Forms the outer layer of skin (epidermis) A group of cells that secrete a particular product (a secretion = protein in fluid) Secrete fluids into ducts that open onto epithelial tissue e. g. sweat, saliva, mucus. Secrete hormones into blood stream e. g. islets of langerhans cells & insulin. Connects all other tissues in the body to one another. Locate deep to the epidermis, lining body cavities and hollow. Contains many blood vessels and immune cells (collagen, membranes organs. Found in areas that need resistance to tension dermis of skin connective tissue around joints. Found in areas that need resistance to tension in one direction only tendons . Allows stretch (and recoil) elastic arteries (aorta) Majority of fat is white": most common.