Which of the following is not part of the male urethra?
A. Penile urethra
B. Prostatic urethra
C. Ductus deferens
D. Membranous urethra
Answer: C
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__________ is the ability to generate and maintain elevated body temperatures
Fill in the blank with the correct word.
The basic difference between spermatogenesis and oogenesis is that ________
A) in oogenesis, one mature ovum is produced, and in spermatogenesis four mature sperm are produced from the parent cell B) during spermatogenesis two more polar bodies are produced C) the mature ovum is n, while the sperm is 2n D) spermatogenesis involves mitosis and meiosis, but oogenesis involves meiosis only
The youngest female documented to have given birth to a healthy child was a 5-year-old girl in the 1930s; the father was never identified. She began having regular menstrual periods around eight months of age. She was diagnosed as pregnant after being taken to a doctor for suspicion of having an abdominal tumor; her periods had ceased several months earlier and her breasts were well-developed.
When do the reproductive organs normally develop? Describe the maturation her body underwent to render her fertile, specifying at what ages these changes normally take place. Even without a positive pregnancy test, what clues suggest pregnancy rather than a tumor? What is the earliest age at which gamete development normally begins and ends in both genders? What will be an ideal response?
Non-descriptive terms for structures that are coined from the names of people are called ________.
Fill in the blank(s) with the appropriate word(s).