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Biology 100 UNLV (Dr. Jef Jaeger) Exam 3 | Questions with Answers Verified 100% Correct
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Biology 100 UNLV (Dr. Jef Jaeger) Exam 3 | Questions with Answers Verified 100% Correct
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Biology 100 UNLV (Dr. Jef Jaeger) Exam 3 |Questions with Answers Verified 100% Correct
Connective tissue defined - ✔✔cells embedded in extracellular matrix composed of protein
fibers and ground substances
3 proper connective tissues - ✔✔areolar
adipose
dense
areolar - ✔✔widely distributed; under skin, around organs and muscles ----for structure and
cushioning
adipose - ✔✔found under skin, around organs
functions in energy storage and insulation; cushioning for organs
dense - ✔✔tendons and ligaments
---attach bone to muscle or bone to bone
3 special connective tissues - ✔✔cartilage
bone
blood
cartilage - ✔✔joint cartilage -- lines bone
absorbs shock -- disks between vertebrae
more flexible cartilage : ears, nose
, bone - ✔✔structure. protection, movement
storage of lipids, minerals and production of red blood cells
blood - ✔✔main function is transport
3 types of muscle tissue - ✔✔skeletal
cardiac
smooth
skeletal muscle tissue - ✔✔cylindrical, striated cells (actin and myosin) with many nuclei
VOLUNTARY CONTRACTION
cardiac muscle tissue - ✔✔branching, striated cells with 1 nucleus -- wall of heart, pumps
INVOLUNTARY CONTRACTION
smooth muscle tissue - ✔✔non-striated, 1 nucleus -- walls of intestines, blood vessels, etc
INVOLUNTARY CONTRACTION - constricts
nervous tissue - ✔✔nervous system -- nerves, brain, spinal cord
2 nervous tissue cell types: - ✔✔neurons and neuroglia
neurons - ✔✔generate and conduct nerve impulses
neuroglia - ✔✔provide nutrients, insulate and protect neurons
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