u06L03 Grip Strength and Muscle Fatigue
Your LAST Name: *
Your answer
PERIOD: *
Question:
Whose muscles fatigue more quickly, male or female?
Prediction/Hypothesis: *
Your answer
PERSONAL Data:
0-10 seconds ∆ force (N): *
Your answer
20-30 seconds ∆ force (N): *
Your answer
40-50 seconds ∆ force (N): *
Your answer
60-70 seconds ∆ force (N): *
Your answer
80-90 seconds ∆ force (N): *
Your answer
Analysis:
In which time frame was the change in force the greatest for female muscles? *
In which time frame was the change in force the greatest for male muscles? *
Final Conclusion:
Accept or reject your original hypothesis/prediction using evidence. *
Your answer
Review:
Neuromuscular Junction
*
10 points
1
2
3
4
5
6
7
8
9
10
calcium ions (Ca2+)
M-line
opening to T-tubule
myosin filament
mitochondrion
ACh (acetylcholine)
synaptic vesicle
presynaptic membrane
postsynaptic membrane
Z-disc
Closeup of the Synaptic Cleft
*
5 points
1
2
3
4
5
ACh (acetylcholine)
chemical gated ion channel
synaptic vesicle
AChase (acetylcholinesterase)
sodium ions (Na+)
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