the male reproduction
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| Biparental inheritance is achieved when offspring receive genes from which of the following? | both egg and sperm
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| The sex cells, sperm and eggs, are referred to as which of the following? | Gametes
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| The male reproductive structures function to produce ______ cells and introduce them into the vagina. | sperm
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| The primary sex organs of the male are the ______. | testes
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| Within the male reproductive system, a system of ducts, glands, and the penis are considered which of the following? | Secondary sex organs
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| Each individual has genes inherited from which of the following? | Both the male and female parents
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| If an egg is fertilized with a Y-bearing sperm, it produces an XY zygote that is destined to become a ______. | male
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| A single-celled, fertilized egg is called a | zygote
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| Up to a point, a fetus is sexually undifferentiated, as it has both ducts and paramesonephric ducts. | mesonephric
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| Which are functions of the male reproductive system? | To introduce sperm into the female body
To produce sperm
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| The term used to describe male and female anatomical structures that derive from the same embryological structures is | homologous
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| Which organs produce gametes? | Primary sex organs
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| True or false: Both male and female gonads initially develop near the kidneys in the fetus. | True
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| In the male, which are considered secondary sex organs? | Penis
Glands that contribute to semen
Ducts that convey sperm
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| The is a connective tissue cord that extends from the gonad to the floor of the abdominopelvic cavity during development. | gubernaculum
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| If an egg is fertilized with an X-bearing sperm, it produces an XX zygote that is destined to become a ______. | female
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| Which normally pass through the inguinal canals? | Testes
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| The paramesonephric ducts will develop into the ______ reproductive tract. | female
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| The diamond shaped area between the thighs, bordered by the pubic symphysis, ischial tuberosities, and coccyx is the | perineum
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| What does it mean if structures are homologous? | They are derived from the same embryological structure.
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| The pouch of skin, muscle, and fibrous connective tissue that contains the testes is the | scrotum
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| Where do both male and female gonads develop initially? | Near the kidneys
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| The perineal is the external seam where the two halves of the scrotum are fused. | raphe
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| The gubernaculum is a connective tissue cord that extends from the ______ to the ______ of a developing fetus. | gonad, floor of abdomopelvic cavity
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| The ductus deferens, cremaster muscle, pampiniform plexus, and testicular artery are located in the cord. | spermatic
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| Which is true of the inguinal canal? | It is a path through the groin.
It contains a fold of peritoneum from the abdominopelvic cavity.
The testes pass through it on their way to the scrotum.
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| Maximal sperm production occurs when the testes are at what temperature? | 35 degrees Celsius
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| What is the region between the thighs bordered by the coccyx, pubic symphysis, and ischial tuberosities called? | Perineum
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| Which structure divides the scrotum into right and left compartments? | Median septum
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| In cold temperatures, which muscle contracts and pulls the testes closer to the body to keep them warm? | Cremaster
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| The internal median septum is externally marked by a seam on the scrotum called what? | Perineal raphe
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| A testis is considered an exocrine gland because it produces ______. | sperm
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| The diamond shaped area between the thighs, bordered by the pubic symphysis, ischial tuberosities, and coccyx is the | perineum
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| In the picture of a testis, the arrow is indicating a ----- tubule | seminiferous
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| In warm temperatures, the cremaster muscle ______ and the testes are suspended farther from the body. | relaxes
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| Which structures of some rete cells help to move sperm? | Cilia
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| A testis is considered an exocrine gland because it produces ______. | sperm
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| Blood leaves the testis by way of the ______, which converges to form the testicular vein. | pampiniform plexus
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| What do interstitial cells produce? | Testosterone
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| The ______ are the site of sperm production. | seminiferous tubules
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| Which network within the testes receives sperm directly from the seminiferous tubules? | Rete testis
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| The end of the ductus deferens widens into which of the following before merging with the duct of the seminal vesicle? | Ampulla
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| Blood leaves the testis by way of the pampiniform plexus of veins which converge to form the vein. | testicular
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| What are the three regions of the male urethra? | Spongy
Prostatic
Membranous
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| What are four functions of sustentacular cells? | To protect germ cells
To provide nutrients to germ cells
To promote germ cell development
To provide growth factors to germ cells
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| The male erectile organ that serves to deposit semen in the vagina is the | penis
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| What is a creamy secretion sometimes found accumulated beneath the prepuce called? | Smegma
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| Which duct carries sperm from the epididymis to the ejaculatory duct? | Ductus deferens
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| What is the erectile column of the penis that passes along the ventral side and encloses the penile urethra? | Corpus spongiosum
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| From proximal to distal, the three regions of the male urethra are the prostatic, , and the spongy urethra. | membranous
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| A tissue that functions by swelling with blood is known as a(n) tissue. | erectile
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| The two ______ lie posterior to the bladder and produce a yellowish secretion that makes up about 60% of the semen. | seminal vesicles
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| What is the time period from the onset of gonadotropin secretion and reproductive development until a person attains full adult height called? | Adolescence
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| The penis serves to deposit in the vagina. | semen
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| The binding of which hormone by androgen-binding proteins leads to the onset of spermatogenesis? | Testosterone
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| The foreskin of the penis is also known as the | prepuce
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| ______ stimulates the interstitial cells of the testes to secrete androgens, mainly testosterone. | Luteinizing hormone (LH)
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| The erectile tissue surrounding the urethra and filling the entire glans is the corpus | spongiosum
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