Explain why chemical reactions in the body are often irreversible
What will be an ideal response
Chemical reactions that release energy cannot be reversed unless energy is put back into the system. Also, some reactions produce molecules in excessive quantities (like CO2 and NH4 ) that the body then eliminates, but which are needed to reverse a reaction.
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Which of the following is normally the greatest source acting against blood flow?
A) vascular resistance B) venous pressure C) viscosity of blood D) vessel length E) turbulence
Connective tissue layers that lies between serous membranes and deep fascia is called
A) subcutaneous layers. B) mucous fascia. C) subserous fascia. D) superficial fascia. E) deep fascia.
Given that a secondary oocyte only survives about 24 hours if it is not fertilized, where does fertilization normally occur?
A. Uterine tube B. Ovary C. Uterus D. Vagina
All of the following are bones of the wrist EXCEPT the ________
A) medial cuneiform B) scaphoid bone C) trapezium D) hamate