Campbell Biology (11th Edition)
11th Edition
ISBN: 9780134093413
Author: Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Jane B. Reece
Publisher: PEARSON
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Chapter 46, Problem 8TYU
Summary Introduction
Introduction:
The process of human reproduction is initiated with the conception of male sperm and a female egg to produce another human being. Pregnancy is initiated after the fertilized egg is implanted in the uterus. The embryo grows and develops in the female uterus.
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Gross Anatomy of the Human Male and Female Reproductive System
a) Assume that a couple has just consummated the sex act and that the sperm have been deposited in the vagina. Trace the pathway of the sperm through the female reproductive tract.
b) Define ovulation.
c)The testis is divided into a number of lobes by connective tissue. Each of these lobes contains one to four_______ which converge to empty sperm into another set of tubules called the_______
Which of the following characterizesparthenogenesis?(A) An individual may change its sex during itslifetime.(B) Specialized groups of cells grow into newindividuals.(C) An organism is first a male and then a female.(D) An egg develops without being fertilized.
In human beings, after fertilisation, the structure which gets embedded in the wall of uterus is:
(a) ovum
(b) embryo
(c) foetus
(d) zygote
Chapter 46 Solutions
Campbell Biology (11th Edition)
Ch. 46.1 - Compare and contrast the outcomes of asexual and...Ch. 46.1 - Parthenogenesis is the most common form of asexual...Ch. 46.1 - WHAT IF? If a hermaphrodite self-fertilizes, will...Ch. 46.1 - Prob. 4CCCh. 46.2 - How does internal fertilization facilitate life on...Ch. 46.2 - What mechanisms have evolved in animals with (a)...Ch. 46.2 - MAKE CONNECTIONS What are the shared and distinct...Ch. 46.3 - Why might frequent use of a hot tub make it harder...Ch. 46.3 - Prob. 2CCCh. 46.3 - WHAT IF? If each vas deferens in a male was...
Ch. 46.4 - How are the functions of FSH and LH in females and...Ch. 46.4 - How does an estrous cycle differ from a menstrual...Ch. 46.4 - WHAT IF? If a human female begins taking...Ch. 46.4 - Prob. 4CCCh. 46.5 - Prob. 1CCCh. 46.5 - In what ways are tubal ligation and vasectomy...Ch. 46.5 - Prob. 3CCCh. 46 - Would a pair of haploid offspring produced by...Ch. 46 - Identify which of the following, if any, are...Ch. 46 - How does the difference in size and cellular...Ch. 46 - Prob. 46.4CRCh. 46 - Prob. 46.5CRCh. 46 - Prob. 1TYUCh. 46 - In male mammals, excretory and reproductive...Ch. 46 - Prob. 3TYUCh. 46 - Prob. 4TYUCh. 46 - Prob. 5TYUCh. 46 - Prob. 6TYUCh. 46 - Prob. 7TYUCh. 46 - Prob. 8TYUCh. 46 - DRAW IT In human spermatogenesis, mitosis of a...Ch. 46 - Prob. 10TYUCh. 46 - SCIENTIFIC INQUIRY You discover a new egg-laying...Ch. 46 - WRITE ABOUT A THEME: ENERGY AND MATTER In a short...Ch. 46 - SYNTHESIZE YOUR KNOWLEDGE A female Komodo dragon...
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- Tell the difference (if any) between each of the following pairs of sound-alike terms: (a) sperm and spermatocyte, (b) epididymis and duct of epididymis, (c) ovarian ligament and suspensory ligament of the ovary, (d) vulva and vestibule, (e) spermatogenesis and spermiogenesis.arrow_forwardIn females, meiosis is not completed (a) until birth. (b) until puberty. (c) until fertilization occurs. (d) until ovulation occurs.arrow_forwardWhich of the following statements about reproduction in humans is correct? (a) Fertilisation takes place externally. (b) Fertilisation takes place in the testes. (c) During fertilisation egg moves towards the sperm. (d) Fertilisation takes place in the human female.arrow_forward
- Identify the incorrect statement about the female reproductive system? (A) granulosa cells produce the hormone estrogen (B) birth control pills are chemically altered to pass through the liver(C) the zona pellucida regulates the sperm is human(D) the corona radiata is left in the follicle after ovulationarrow_forwardThis organ secretes which of the following: (A) spermatozoa (B) zinc and spermicine (C) prostaglandins and fructose (D) mucousarrow_forwardIf fertilization is to occur, a secondary oocyte must encounter sperm during the first _______ of its passage. (a) 1 to 5 hours (b) 6 to 11 hours (c) 12 to 24 hours (d) 25 to 36 hours.arrow_forward
- Gross Anatomy of the Human Male and Female Reproductive System a) What is the function of the stereocilia exhibited by the epithelial cells of the mucosa of the epididymis? b) Hysterectomy is a surgical removal of the uterus. It may or may not be accompanied by a salpingo-oophorectomy, removal of the uterine tubes and ovaries. Why would it be an advantage to leave the ovaries intact? c) What is the function of the cavernous bodies in the penis?arrow_forwardMovement of spermatozoa through this component of the male reproductive pathway (6) occurs during the same phase of sexual activity as which of the following? (A) nitric oxide release (B) movement of sperm through the epididymis (from the head to the tail) (C) release of prostatic secretions (D) movement of sperm through the penile urethra (E) A and B (F) B and C (G) C and D (H) B, C, and Darrow_forwardGross Anatomy of the Human Male and Female Reproductive System a) Name the three layers of the uterine wall from the inside out. Which of these is sloughed during menses?_______ _ ___________________ Which contracts during childbirth? b) Describe the epithelium found in the uterine tube. c) Describe the arrangement of the layers of smooth muscle in the seminal gland.arrow_forward
- Gross Anatomy of the Human Male Reproductive System a) Name the two ducts that merge to form the ejaculatory duct. b) Describe the composition of semen, and name all structures contributing to its formation. c) Of what importance is the fact that seminal fluid is alkaline?arrow_forwardIf human fetus were exposed to very low levels of both testosterone and estrogen during prenatal development, how would the sexual anatomy appear? Why?arrow_forwardReproductive physiology (human) a) At the time of ovulation, the released ovum (egg) has completed both meiosis I and meiosis II. b) Because the corpus luteum (CL) is rescued from atresia by hCG early in pregnancy, the CL continues to produce progesterone throughout the 9 months of a normal pregnancy. c) Late in the follicular phase, estrogen participates in a positive feedback loop that leads to a surge in luteinizing hormone and ovulation. d) Both (a) and (b) are correct and (c) is incorrect e) Statements (a), (b) and (c) are all correctarrow_forward
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