If the body temperature of an endothermic homeotherm falls below the __________ temperature, the metabolic rate increases

A) Upper critical
B) Lower critical
C) Incipient upper lethal
D) Incipient lower lethal

Fill in the blank with the correct answer.


Answer: B

Anatomy & Physiology

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The __________ __________ is a fetal shunt between the umbilical vein and inferior vena cava.

Fill in the blank(s) with the appropriate word(s).

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The extracellular matrix and the local cells that secrete it are collectively known as connective tissue

Indicate whether the statement is true or false

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Ear development begins during the ________ week of embryonic life.

A. 4th B. 1st C. 6th D. 2nd E. 8th

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The site of infection is the location at which lymphocytes

A. provide an effector response. B. become able to recognize one specific foreign antigen. C. are formed. D. are activated.

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