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Human Biology Exam 1
Sep 27 2007
| Question | Answer |
|---|---|
| What is the hardest matrix of connective tissue? | Bone |
| What tissue is made of calcium salt deposits | Bone |
| What's an osteoblast? | Bone Cell |
| Where do osteoblasts reside? | Lacunae |
| Bone tissue is highly vascular T or F? | T |
| Haversian canals are | tubes and channels in bone tissue that house numerous blood vessels |
| Red marrow makes | RBC |
| blood cells are suspended in | fluid matrix plasma |
| RBC | erythrocytes |
| WBC | Leukocytes |
| Platelets | Thrombocytes |
| what tissue can contract, elongate | muscle |
| 3 types | skeletal, cardiac, smooth |
| skeletal muscle is | voluntary, multinucleated, striated, long |
| skeletal muscles are voluntary T of F | T |
| smooth muscles are | nonstriated, smaller than skeletal |
| smooth muscles are found in | digestive tract |
| cardiac muscles are found in | heart and aorta (involuntary) |
| cardiac muscle cells are | short, striated, intercalated disks |
| what does cardiac intercalated disks do? | enable free ion exchange, special junctions for fast passage |
| Two nervous cells | neurons and neuroglial |
| parts of neuron | soma, axon, dendrites |
| part of neuron that sends impulse | axon |
| soma is the ____ of a neuron | body |
| reticluar tissue is thin and delicate T of F | T |
| what forms the framework of liver spleen bone marrow and lymph nodes | reticular tissue |
| Reticular tissue gives rise to macrophages true or false | T |
| Dense connective tissue is made of what | Collagen and close packed fibers |
| what are tendons and ligaments made of | dense connective |
| ligament = | bone to bone |
| tendon = | bone to muscle |
| dense connective tissue doesn't heal fast due to | poor blood supply |
| specialized connective tissue is otherwise known as | cartilage |
| what's a chondrocyte | cartilage cell |
| where do chondrocytes live | lacunae |
| are there vessels in cartilage tissue | no |
| 3 types of cartilage tissue | hyaline, elastic, fibrous |
| What carilage cell is the most widely distributed? | Hyaline |
| what cartilage cell is the weakest | Hyaline |
| what cartilge cell is yellow and the most flexible | elastic |
| what cartilage cell is the strongest and most dense | fibrous |
| what cartilage makes up the ends of long bones, the costal cartilage, and the nose | hyaline |
| what cartilage makes up the external ear, epiglottis, and larynx | elastic |
| what cartilage makes up the invertebrae disks, and the pubic symphis? | fibrous |
| what is connective tissue made of | fibers- collagen and elastin |
| what do connective tissues do | bind things together ,support, protect, store fat, RBC production |
| connective tissue is widely seperated by | a noncellular matrix |
| 3 types of connective tissues | fibroblast, mast cells, ad macrophages |
| most common connective tissue | fibroblast |
| what connective tissue is a large star shape | fibroblast |
| what connective tissue makes collagen and elastin | fibroblast |
| what connective tissue cells are located near blood vessels | mast cell |
| what does a mast cell contain | heparin and histamine |
| where are macrophages attached to | fibers |
| what do histocytes do | help immunity (macrophages) |
| what connective tissue is made of fibroblasts | loose connective (fibrous) |
| what does loose connective tissue do | hold organs in place, hold tissue layers together |
| what tissue holds fat | adipose |
| intercellular matrix is _____ around adipose tissue | reduced |
| fat cells do | store energy, inulate, protect |
| Gametes form | morula |
| morulas form | blastula |
| blastulas form | zygotes |
| 3 layers of blastula | ectoderm, mesoderm, endoderm |
| endoderm | becomes gastric system |
| mesoderm | becomes muscle, circulation, repoduction, skeletal |
| ectoderm | becomes nervous and skin |
| epithelial tissues are for | protection, excretion, absorption |
| epithelium is ______ linked and ________ layers | tightly linked, one or more layers |
| _________ holds epithelial cells in place | noncellular membrane or basement |
| shapes of cells | squamous, cuboidal, columnar |
| irregular shape | squamous |
| rectangle, tall shape | columnar |
| little box shape cell | cuboidal |
| 4 types of cellular arrangement | simple, stratified, pseudostratified, transitional |
| simple arrangement | one cell layer |
| stratified arrangement | several layers |
| psuedostratified | appears to be two layers but in actuality is one layer |
| transitional | layers of closely packed cells - soft pliable and easy to stretch (skin) |
| histology | study of tissues |
Created by:
The_Good_Mista
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