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Chapter 4
Organization and Regulation of Body Systems
| Question | Answer |
|---|---|
| Four types of tissue; | epithelial, connective, muscle, nervous |
| Epithelial | covering, lining organs/cavities |
| Connective | throughout body |
| Functions of connective tissue; | bind, support, transport, energy storage |
| Fibrous connective tissue; | loose, dense |
| Cartilage; | support, structure |
| Types of connective tissue; | bone and blood |
| Three types of muscle; | Cardiac, skeletal, smooth |
| Nervous tissue; | brain, spinal cord, nerves |
| Epithelial tissue shapes; | Squamous, cubodial, columnar |
| Squamous; | Squished/flat; found on epidermis |
| Cubodial; | cube-shaped; found in lining of kidney tubules |
| Columnar; | column-shaped; found in digestive tract |
| Epithelial layers; | simple and stratified |
| Simple layer; | one layer |
| Stratified layer; | multiple layers |
| Gland; | makes and secretes a substance |
| Endocrine; | releases hormones into the blood; pituitary gland |
| Exocrine; | releases substances locally into ducts; sweat glands |
| Skin functions; | protection, regulation body temperature, production of vitamin D, sensory protection |
| Epidermis; | stratified squamous epithelium where outer layers are dead and slough off |
| Dermis; | contains blood vessels, organs and nerves |
| Hypodermis that is under the skin; | adipose |
| Melanocytes; | melanin-producing cells |
| Melanin; | pigment that protects from UV radiation |
| Melanoma; | cancer melanocytes |
| Hair; | warmth, protection |
| Nails; | protection |
| Sebaceous glands; | oil; make sebum, which moisturizes skin/hair |
| Sweat glands; | regulate temperature by cooling |
| Anterior cavity; | ventral/front |
| Posterior cavity; | dorsal/back |
| Thoracic cavity; | chest |
| Pleural cavity; | lungs |
| Pericardial cavity; | heart |
| Abdominal cavity; | abdomen/pelvic |
| Cranial cavity; | brain |
| Spinal cavity; | spinal cord |
| Mucous membrane; | open to the environment; produces mucus - traps pathogens |
| Serous membrane; | covers organs/closed cavities |
| Synovial membrane; | lines freely movable joints |
| Meninges membrane; | three membranes around the brain and spinal cord |
| Homeostasis; | maintains constant, optimal levels |
| Negative feedback; | turns something off/down; sweating lowers temperature |
| Positive feedback; | keeps pushing something in the same direction/ turns up the response |
Created by:
castigisselle
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