Which of the following statements about energy is NOT correct?
a. Energy is subject to an input-output balance similar to that for water.
b. An example of internal work is the energy expended by muscles to lift a heavy object.
c. Almost 75% of nutrient energy is lost as heat and not used to do work.
d. Energy is normally expressed in terms of heat energy.
e. none of these.
B
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A person having an anxiety attack breathes very rapidly. After a minute, their blood CO2 concentration appears to have lowered and they become very dazed. Their altered breathing pattern is called ________.
Fill in the blank(s) with the appropriate word(s).
Which of the following elevates the ribs?
A. External intercostals B. Internal intercostals C. Serratus posterior inferior D. Transversus thoracis
The final acceptor of electrons in the process of cellular respiration is
What will be an ideal response?
The cardiac cell plasma membrane is most permeable to _______________
A) calcium B) potassium C) sodium D) It is equally permeable to all ions.