List the four core principles that relate to homeostasis
What will be an ideal response?
The four core principles that relate to homeostasis are:
1 ) feedback loops
2 ) the relationship of structure and function
3 ) gradients
4 ) cell-cell communication
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When Ca2+ is present at high levels in the sarcoplasm of striated muscles, then
A) TnI has a strong interaction with actin. B) TnC has a strong interaction with TnI. C) TnT has a strong interaction with myosin. D) TnT has a weak interaction with Ca2+.
Acetylcholine is excitatory at the neuromuscular junction, but inhibitory at the SA node. Explain why this is true.
What will be an ideal response?
The two heads of the gastrocnemius muscle converge to insert onto __________.
A. the calcaneus B. digits two through five C. the middle phalanx of digit one D. the posterior surface of the tibia
Two prominent features of the clavicle are the conoid tubercle at the lateral end and the ________ tuberosity at the medial end
A) costal B) sternal C) acromial D) deltoid E) scapular