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Muscle and nervous
| Question | Answer |
|---|---|
| Muscle tissue | Elongated cells to provide long axis for contraction |
| Function MT | moves entire body |
| Three types of muscle tissue | -Skeletal -Cardiac -SMooth |
| Skeletal | F-Move skeleton L-attaches to bone :Striated clearly |
| Cardiac | F-pump blood through heart L: Heart wall :Striated, dark lines, intercalated disks |
| Smooth | F- moves and propels materials L-Uterus -No striation |
| Nervous tissue | Found in brain, spinal cord exc receives, processes and transmits electrical signals action potential |
| Nervous tissue neurons | -highly specialized to receive stimuli -Cell body, dendrites, axon |
| Nervous tissue F and L | F:Recieve, Process and transmit nerve impulses L brain |
| Integumentary system consists of what (3) regions? | Epidermus Dermus Hypodermus |
| Epidermis | Outermost superficial region |
| Dermis | Middle region |
| Hypodermis | (subcutaneous region) Deepest region |
| Integumentary deratives | -Hair -Nails -exocrine glands |
| Layers of Epidermis Saying | CLAIRE LIKES Giant SLOPPY BICTHES |
| How many layers of Epidermis | 4 or 5 - Stratum Lucidum is only found where there isn't hair -palm |
| Order of layers of epidermis | 1.) Stratum Coreum (horny layer) 2.) Stratum Lucidum 3.) Stratum granulsum (granular layer) 4.) Stratum Spinosum (spiny layer) 5.) Stratum basal (basal layer) |
| The epidermis is __ | Keratinized stratified squamous ET |
| Layers of the Dermis | 1.) papillary region: -aeroalr ctp -superficial surface contains peg like projection called dermal papille (improve gripping ability and on finger tips) 2.) Retuclar region -desnse irregular CTP -accounts for 80% of thickness of skin -Collagen |
| Hair: Made of | Contains hard keratin Made of: The shaft projecting from skin root embedded in skin pigmented |
| Nail | Scale like modification of epidermis -Body -Free edge -Nail bed |
| Glands types | Sebaceous and sweat glands |
| Sebaceous (oil) gland) | -secrete oil called sebum into hair follicle -prevents hair from drying out |
| Sweat Glands (2) | a.) Medocrine sweat gland b.) Apocrine sweat glands |
| Medocrine sweat gland | active at birth soles, forehead, palms |
| Apocrine sweat gland | Active at puberty release into hair follicles |
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