Which of the following is true of the embryonic period?
A) The embryonic period starts at the beginning of the ninth week of pregnancy and ends at birth.
B) A baby is referred to as a fetus during the embryonic period of pregnancy.
C) By the end of the embryonic period, the basic structures of all major body organs are formed.
D) Fetal weight increases by almost 50,000 percent during the embryonic period.
C
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Consuming a high-fiber diet is a good idea for many reasons, but most specifically because it
has been shown to reduce the risk of ________ cancer. A) liver B) rectal C) lung D) pancreatic
Which of the following is a true statement regarding sweat in trained athletes?
A) They typically have lower sweat rates than sedentary individuals. B) They typically have higher sweat rates than sedentary individuals. C) They typically start sweating later than sedentary individuals. D) They seldom differ in sweating between healthy, sedentary individuals.
Of the following, the person most at risk for dehydration would be:
a. 80 year old living in an upstairs apartment without air conditioning in summer. b. 60 year old receiving intravenous fluids. c. 26 year old jogging with supply of water. d. 45 year old fast food worker.
What role do parenchymal cells play in fruits and vegetables?
A. responsible for the plant's starch content B. give color C. provide water volume D. lend flavor E. All of these are correct.