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Honors Anatomy and Physiology Final Exam Questions and Answers 100% Solved

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Honors Anatomy and Physiology Final Exam Questions and Answers 100% Solved open ended - structure dictates function example of how structure dictates function - fibrous protein (collagen) is rope shaped and gives strength to skin but globular (hemoglobin) is round and transports oxygen, the s...

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  • October 22, 2024
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  • 2024/2025
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  • Honors Anatomy and Physiology
  • Honors Anatomy and Physiology
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Honors Anatomy and Physiology Final

Exam Questions and Answers 100%

Solved


open ended - ✔✔structure dictates function

example of how structure dictates function - ✔✔fibrous protein (collagen) is

rope shaped and gives strength to skin but globular (hemoglobin) is round

and transports oxygen, the structure determines what it does

another example of how structure dictates function - ✔✔skeletal muscles

are attached to both ends of the humerus bone by tendons and are full of

contractile proteins like actin and myosin which pull and shorten the muscle

then pulls and allows us to flex- being attached to both ends and the actin

and myosin allows muscles to flex

another example of structure and function - ✔✔the heart has 4 hollow

chambers and cardiac muscle which pumps blood around the body but

, ©JOSHCLAY 2024/2025. YEAR PUBLISHED 2024.

when one becomes dilated the pumping of blood stops and leads to

congenitive heart failure

I bands - ✔✔light bands, thin myofilaments only (actin)

A- bands - ✔✔thick and thin myofilaments, actin and myosin, dark

z line/disk - ✔✔the dark band in the middle of the I-band, site of actin

attachment

H-zone - ✔✔lighter, central region in the middle of the A-band, thick

myofilaments only (myosin)

M-line - ✔✔dark line in the H-zone, site of myosin attachment

sarcomere - ✔✔functional contractile unit of muscle cell, runs from z-disk to

z-disk

Muscle Contraction paragraph #1 - ✔✔sodium potassium pump exists,

sodium rushes into neuron, neurons internal enviornment becomes

positive, neuron is depolarized, in response potassium channels open and

potassium flows out, neurons internal enviornment becomes negative again

and neuron is repolarized, this sudden change from polarized to

depolarized to depolarized creates an action potential, this then spreads

down the neuron as a nerve

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