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BLG 101 Chapter 9 Muscle Exam questions and answers 100% correct $15.49   Add to cart

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BLG 101 Chapter 9 Muscle Exam questions and answers 100% correct

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BLG 101 Chapter 9 Muscle Exam

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  • November 30, 2023
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  • 2023/2024
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BLG 101 Chapter 9 Muscle & Muscle
Tissue




Where is skeletal muscle found - answerbones & skin

where is cardiac muscle found - answerwalls of the heart

where is a smooth muscle found - answerin walls of hollow visceral organs (except
heart)

what are the 4 main characteristics of all three muscle tissue - answer1. Excitability
2. contractility
3. extensibility
4. elasticity

explain excitability in muscle tissue - answer(Responsibility) ability to receive and
respond to stimuli

explain contractility in muscle tissue - answerability it shorten forcibly when stimulated

explain extensibility in muscle tissue - answerability to be stretched

elasticity in muscle tissue - answerability to recoil to resting length

what are the 4 muscle functions - answer1. produce movement
2. maintain posture and body position
3. stabilize joints
4. generate heat as they contract

3 features of of skeletal muscle - answernerve and blood supply,
connective tissue sheaths, and
attachments

What 3 parts does each muscle receive - answernerve, artery, veins

, 3 types of skeletal muscle connective tissue sheaths - answer1. epimysium
2. perimysium
3. endomysium

What type of tissue is epimysium - answerdense irregular tissue

where is epimysium tissue found? - answerall around the muscle

what type of tissue is perimysium - answerfibrous connective tissue

what does perimysium tissue surround - answerfascicles (groups of muscle fibers)

what type of tissue is endomysium - answerfine areolar connective tissue

what does endomysium tissue surround? - answereach muscle fiber

Does contracting muscle fibres require a large or small amount of nutrients + oxygen? -
answerHUGE AMOUNTS

what part of the brain sends out motor neurons to control skeletal muscle? -
answermotor cortex

What is the cell membrane of skeletal muscle fibers called? - answersarcolemma

do skeletal muscle fibers contain one or multiple nuclei - answermultiple

what is sarcoplasm - answermuscle fiber cytoplasm

what 2 things are there a lot of in muscle cells? - answerglycosomes & myoglobin

What do glycosomes store? - answerglycogen (glucose)

what does myoglobin store? - answeroxygen

what are myofibrils? - answerdensely packed, rodlike elements consisting of
sarcomeres made up of myofilaments

what are myofilaments made of (2) - answeractin + myosin

how many myofibrils can a single muscle fiber contain? - answerthousands

Why are muscle cells multinucleated? - answerneeds a lot of DNA to make a lot of
protein
for transcription + translation

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