The Male Sex Act Involves Two Components: Erection and Ejaculation

Q3: The penis consists almost entirely of _made

Q4: Figure 20-23a<br>Use the figure above (Figure 20-23a)to

Q5: What is the lowest portion of the

Q6: What are the female gametes?<br>A)​uterus<br>B)ova<br>C)fallopian tubes<br>D)semen<br>E)​ovaries

Q7: What antibody is present in great amounts

Q9: Genetic sex,which depends on the combination of

Q10: The endometrial tissue that's modified at the

Q11: How long does the menstrual,or uterine,cycle last

Q12: Figure 20-23a<br>Use the figure above (Figure 20-23a)to

Q13: How many chromosomes do human spermatogonia contain?<br>A)​22<br>B)23<br>C)32<br>D)44<br>E)​46