BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Chapter 38, Problem 4SA
Summary Introduction
Introduction:
The part of the body that is involved in the process of reproduction is called reproductive system. Females have a complex reproductive system than males. The fusion of both male and female gametes occurs inside the female’s body. They are the ones that give rise to offspring. Females have a number of hormones as a part of their reproductive system.
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Chapter 38 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 38 - Prob. 1SACh. 38 - Prob. 2SACh. 38 - Testosterone is secreted by the _______. a. testes...Ch. 38 - Prob. 4SACh. 38 - Prob. 5SACh. 38 - Prob. 6SACh. 38 - Match each term with the most suitable...Ch. 38 - Prob. 8SACh. 38 - A human blastocyst normally implants in...Ch. 38 - Put these human developmental events in order,...
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- Figure 18.12 Which of the following statements about the male reproductive system is false? a. The vas deferens carries sperm from the testes to the seminal vesicles. b. The ejaculatory duct joins the urethra. c. Both the prostate and the bulbourethral glands produce components of the semen. d. The prostate gland is located in the testes.arrow_forwardA human blastocyst normally implants in ................. a. an oviduct c. the uterus b. a seminiferous tubule d. the vaginaarrow_forwardSperm are produced in the _______. a. scrotum b. seminal vesicles c. seminiferous tubules d. prostate glandarrow_forward
- Figure 18.17 Which of the following statements about hormone regulation of the female reproductive cycle is false? a. LH and FSH are produced in the pituitary, and estrogen and progesterone are produced in the ovaries. b. Estradiol and progesterone secreted from the corpus luteum cause the endometrium to thicken. c. Both progesterone and estrogen are produced by the follicles. d. Secretion of GnRH by the hypothalamus is inhibited by low levels of estrogen but stimulated by high levels of estrogen.arrow_forwardNutrient and waste requirements for the developing fetus are handled during the first few weeks by _____. a. the placenta b. diffusion through the endometrium c. the chorion d. the blastocystarrow_forwardSpermatogenesis is governed by a. GNRH b. luteinizing hormone only c. luteinizing hormone and follicle-stimulating hormone d. GNRH, luteinizing hormone, and Sertoli cells O e. Follicle-stimulating hormone onlyarrow_forward
- Forms the muscles A. Prostate gland B. Mesoderm C. The inner cell mass D. Bulbourethral glands E. Seminal vesiclesarrow_forwardDuring the menstrual cycle which stage have the following conditions in response to progesterone: endometrial cells - enlarge endometrial layer - thickens endometrium - greatest degree of development a. menses b. proliferation phase c. ovulation d. secretory phasearrow_forwardDuring a menstrual cycle, a midcycle surge of_____ from the_____ triggers ovulation. a. FSH; pituitary c. LH; pituitary b. progesterone; egg d. estrogen; follicle cellsarrow_forward
- Spermatogenesis takes place in the ________.a. prostate glandb. glans penisc. seminiferous tubulesd. ejaculatory ductarrow_forwardWhen pregnancy occurs, the endometrium is maintained bya. the embryo releasing hCG.b. a decrease in levels of progesterone.c. the hypothalamus releasing GnRH.d. increasing levels of FSHarrow_forwardWhat hormone causes production of LH to stop? Group of answer choices A. LH B. testosterone C. progesterone D. FSH E. estradiolarrow_forward
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