Sperm move to the uterine tube through uterine contractions and the energy of their own flagella. What other factor is involved in sperm movement?
A) reverse peristalsis of the uterus and uterine tubes
B) the cilia on the apex of the cells lining the endometrium
C) hormonal attraction to the ova
D) the increased temperature in the vagina, which stimulates sperm motility
A
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The sternoclavicular joint contains an articular disc
Indicate whether this statement is true or false.
Which of the following chemicals paralyzes skeletal muscle by binding to the acetylcholine receptor sites?
a. black widow spider venom. b. curare. c. organophosphates. d. DDT. e. local anesthetics.
By the ninth week of development, the embryo is called a(n) ____________________
Fill in the blank(s) with correct word
In the female fetus, the absence of testosterone results in the development of the external genitalia into clitoris, labia minora, and labia majora
Indicate whether the statement is true or false