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Biology 100 UNLV (Dr. Jef Jaeger) Exam 3 | Questions with Answers Verified 100% Correct $12.49   Add to cart

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Biology 100 UNLV (Dr. Jef Jaeger) Exam 3 | Questions with Answers Verified 100% Correct

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  • Course
  • Biology 100
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  • Biology 100

Biology 100 UNLV (Dr. Jef Jaeger) Exam 3 | Questions with Answers Verified 100% Correct

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  • October 10, 2024
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  • 2024/2025
  • Exam (elaborations)
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  • Biology 100
  • Biology 100
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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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