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Biology Homeo
chapter 1
| Question | Answer |
|---|---|
| muscle tissue | cardiac-involuntary smooth-involuntary skeletal-voluntary |
| function of nervous tissue | communication |
| neuron | primary cell-type of nervous tissue |
| cell that supports the neurons | glialcell |
| fibers found in connective tissue | collagen-structural support elastic fibers-major expansion contraction reticular fibers-anchors CT to other types of tissues |
| homeostasis | maintaining internal regulatory and no regards to external stimula |
| body conditions maintained by homeostasis | pH levels, blood pressure, temperature |
| types of membrane found in the human body | cutaneous, mucous serous, synovial |
| organ | a structure that contains all four types of tissues |
| Why are nervous tissue injuries so serious? | glial cells continue to do mitosis |
| A membrane is made of a combination of which types of tissues? | epithelial, connective |
| Cutaneous membrane | skin |
| mucous membrane | found on surfaces that open to the exterior of the body, secretes mucus to protect aginst dehydration and to trap microbes |
| serous membrane | lines internal body cavities |
| synovial membrane | lines joint cavities and is fluid-filled |
| Where is nervous tissue found in the body> | spine, brain, throughout body |
| Muscular tissue | composed of only cells, ability to contract, no matrix that can contract, allows us to move |
| Lymph | WBC, contains a liquid matrix along with WBC |
| What are the functions of Lymph | immune support, travels throughout the bl;ood |
| Platelets | involved in blood clotting |
| WBC | immune function |
| RBC | transport gases |
| What does blood contain? | a liquid matrix-plasma |
| Plasma contains? | water, dissolved gases, nutrients, hormones and wastes |
| Why is bone a critical storage tissue? | for structure and calcium phosphate (muscle contraction) |
| Structure of bone? | rigid matrix of fibers |
| What helps to make the matrix? | fibroblast |
| Cartilage is slow to heal because? | no blood vessels and angiogenesis is inhibited |
| What is cartilage? | rubbery texture, specialized collagen type |
| What are the different types of cartilage? | Hyaline, elastic and fibrocartilage |
| Hyaline | cover the end of bone at articulation points in joints, nasal septum, tracheal rings ribs to sternum |
| Elastic | structural support in places such as the external ear and larynx |
| Fibrocartilage | forms discs between vetebrae in spine and meniscus |
| A tissue is | a group of speicalized cells in close proximity performing a similar function |
| What are the three types of muscle | cardiac, smooth, skeletal |
| Cardiac muscle | involuntary |
| smooth muscle | cells tapered at ends of bone, in walls of hollow internal organs, involuntary, voluntary contraction |
| skeletal muscle | cylindrical striated cells, attached to skeleton, voluntary contraction |
Created by:
britchwo
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