4. Fleas can jump up to 40 times their body length. However, calculation on the biomechanics of the leg extensor muscles, do not provide enough force to account for such jumps. If the flea's ability to jump high is not reliant upon muscle strength, how else could the leg structure be modified to assist in the flea jumping mechanism? How would you test your idea?
4. Fleas can jump up to 40 times their body length. However, calculation on the biomechanics of the leg extensor muscles, do not provide enough force to account for such jumps. If the flea's ability to jump high is not reliant upon muscle strength, how else could the leg structure be modified to assist in the flea jumping mechanism? How would you test your idea?
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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
Transcribed Image Text:Hected to several cnidocytes through neural connections, help regulate groups of cnidocytes. Using the description
above, deduce the different types of sensory cells that operate cnidocyte discharge including the mechanisms that induce an action potential.
2. Calmodulin is found in smooth muscle cells and performs a similar function to troponin in striated muscle fibers. However, calmodulin not only gets
activated by Ca2+ but also slows the release of Ca2+ from the sarcoplasmic reticulum. How might this difference relate to the different kinds of
contractions smooth muscles do in comparison to striated muscles?
3. A study of muscle fibers between chimpanzees and humans revealed that although muscle mass per body size are approximately equivalent, the ratio
of red (slow) and white (fast) fibers were significantly different. Chimps tend to have a ratio of 30% red to 70% white where humans are 60/40
respectively. Speculate about what this ratio difference means in terms of muscle activity potential and a possible evolutionary significance of this
difference.
4. Fleas can jump up to 40 times their body length. However, calculation on the biomechanics of the leg extensor muscles, do not provide enough force
to account for such jumps. If the flea's ability to jump high is not reliant upon muscle strength, how else could the leg structure be modified to assist
in the flea jumping mechanism? How would you test your idea?
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