Erectile dysfunction is defined as ____.
a. impotence occurring at least once in a male's lifetime
b. persistent inability to achieve or maintain an erection
c. persistent inability to achieve an erection, independent of the ability to maintain an erection
d. persistent inability to maintain an erection, independent of the ability to achieve an erection
Question 2
What is a major challenge of diagnosing sexual disorders in individuals with low sex drives?
a. Tools to measure sexual arousal are not reliable.
b. It is nearly impossible to make people feel comfortable enough to talk about their sexual feelings.
c. Many people are not willing to participate in sexual research studies.
d. Defining what is a normal level of sexual desire is not straightforward.
Large male size and mating success.
Male and female plants
Pelvis of male versus female
Disorders of the Male Reproductive System
Two naturally occurring glycosides
Same pair of homologs, but with an exchange occurring between two nonsister chromatids