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Exam (elaborations)

BIOL 121 Exam #4 Review UPDATED ACTUAL Exam Questions and CORRECT Answers

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BIOL 121 Exam #4 Review UPDATED ACTUAL Exam Questions and CORRECT Answers Diarthrotic - CORRECT ANSWER - Freely movable joints Ex) Synovial joints Amphiarthrotic Joints - CORRECT ANSWER - Slightly moveable, glider and cartilages (Symphysis (firbo) & synchondrosis (hyaline)) Synarthrotic - CORRECT ANSWER - Little to no movement Ex) fibrous, boney, sutures, gomphosis Tendons - CORRECT ANSWER - Dense connective tissue that connects to bone

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Institution
Biology 121
Course
Biology 121








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Institution
Biology 121
Course
Biology 121

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Uploaded on
May 26, 2025
Number of pages
4
Written in
2024/2025
Type
Exam (elaborations)
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BIOL 121 Exam #4 Review UPDATED
ACTUAL Exam Questions and CORRECT
Answers
Diarthrotic - CORRECT ANSWER - Freely movable joints Ex) Synovial joints



Amphiarthrotic Joints - CORRECT ANSWER - Slightly moveable, glider and cartilages
(Symphysis (firbo) & synchondrosis (hyaline))


Synarthrotic - CORRECT ANSWER - Little to no movement Ex) fibrous, boney, sutures,
gomphosis


Tendons - CORRECT ANSWER - Dense connective tissue that connects to bone



Ligaments - CORRECT ANSWER - Attach muscles together



Sarcomeres - CORRECT ANSWER - The contractile unit of muscle z disc to z disc



Skeletal muscle - CORRECT ANSWER - multi nuclei, striations, voluntary control, mitosis to
repair injury


Cardiac muscle - CORRECT ANSWER - 1 nuclei, striations, involuntary control, and no
repair


smooth muscle - CORRECT ANSWER - 1 nuclei, no striations, involuntary control, and
possible, limited mitosis to repair injury


4 actions of muscle contraction and relaxation - CORRECT ANSWER - excitation,
excitation-contraction coupling, and relaxation

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