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Ch.19 Reproduction
Ch.19 Reproductive System
| Question | Answer |
|---|---|
| The primary sex organs (gonads) of the male reproductive system are the __________________. | Testes |
| Male sex cells are produced by the _________________________of the seminiferous tubules. | Spermatogenic cells |
| The enzyme-containing structure that helps the sperm cell penetrate the ovum is the ______________. | Acrosome |
| Sex cells are produced in a process called ______________. | Meiosis |
| How many chromosomes does each spermatogonium contain? | 46 |
| The nucleus in the head of the sperm contains ________ chromosomes. | 23 |
| The function of the epididymis is to ________________. | store sperm as they matures |
| What substance is added to the sperm cells by the seminal vesicle? | fructose |
| The function of the secretion of the bulbourethral glands is to _______________. | lubricate the penis |
| Testis is not a male internal accessory organ. T/F? | True |
| The external organs of the male reproductive system include the ________________. | penis, scrotum |
| Erection of the penis depends upon _________________. | filling of the corpus spongiosum with arterial blood |
| The pituitary hormone that stimulates the testes to produce testosterone is ___________. | LH (ICSH) |
| In the male, growth of body hair, especially in the axilla, face, and pubis, and increased muscle and bone development are examples of ______________ characteristics. | secondary sexual |
| The hormone that stimulates secondary sexual characteristics is _____________________. | testosterone |
| The primary sex organs (gonads) of the female reproductive system are the ____________. | ovaries |
| The egg is released from the ovary in a process called ______________. | ovulation |
| The end of the uterine tube near the ovary has many fingerlike projections called fimbriae. T/F? | True |
| There are cilia in the lining of the uterine tube that help move the egg toward the uterus. T/F? | True |
| The inner layer of the uterus is the ____________________. | endometrium |
| The organ of the female reproductive system that corresponds to the penis is the ______________. | clitoris |
| The hormonal mechanisms that control female reproductive functions are more complex than those in the male. T/F? | True |
| Primary female hormones are _____________ and ______________. | estrogen and progesterone |
| During the menstrual cycle, the event that seems to initiate ovulation is _______________. | a sudden increase in concentration of LH |
| After release of the egg, the follicle forms a(n) ___________. | corpus luteum |
| As the follicle develops the level of ____________ hormone increases. | progesterone |
| As the hormone levels change in that part of the cycle before and immediately after ovulation, what change is seen in the uterus? | thickening of the endometrium |
| The cessation of the menstrual cycle in middle age is called _________________. | menopause |
Created by:
n2biology
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