True or false? Human females create primary oocytes only during fetal development?
Answer: True
True or false? Human females create primary oocytes only during fetal development?
Answer: True
Answer: True
True or false? Human males create new sperm everyday, from puberty to old age?
True or false? Human males create new sperm everyday, from puberty to old age?
Answer: True
______ is a diploid cell that pauses during meiosis I and produce a secondary oocyte.
______ is a diploid cell that pauses during meiosis I and produce a secondary oocyte.
Answer: primary oocyte
What is the development of eggs within ovaries called?
What is the development of eggs within ovaries called?
Answer: oogenesis
_______ undergo meiosis II and produces 4 haploid cells.
_______ undergo meiosis II and produces 4 haploid cells.
Answer: secondary spermatocytes
_______ are diploid cells that undergo meiosis I that produce secondary spermatocytes.
_______ are diploid cells that undergo meiosis I that produce secondary spermatocytes.
Answer: primary spermatocytes
Where do sperm develop?
Where do sperm develop?
Answer: seminiferous tubules
What is the production of sperm called?
What is the production of sperm called?
Answer: spermatogenesis
What is the production of gametes called?
What is the production of gametes called?
Answer: gametogenesis
What is the narrow neck at the bottom of the uterus that opens into the vagina called?
What is the narrow neck at the bottom of the uterus that opens into the vagina called?
Answer: cervix
After the first 9 weeks, what is a developing human called?
After the first 9 weeks, what is a developing human called?
Answer: fetus
For the first 9 weeks, what is a developing human called?
For the first 9 weeks, what is a developing human called?
Answer: embryo
What is the thick, blood-rich layer of tissue called in the uterus where the embryo implants and grows?
What is the thick, blood-rich layer of tissue called in the uterus where the embryo implants and grows?
Answer: endometrium
The remains of the follicle grow to form a solid mass, the __________, which secretes hormones during the reproductive cycle.
The remains of the follicle grow to form a solid mass, the __________, which secretes hormones during the reproductive cycle.
Answer: corpus luteum
Where is the site of fertilization?
Where is the site of fertilization?
Answer: oviduct (fallopian tubes)
During _______, an immature egg is ejected from a follicle.
During _______, an immature egg is ejected from a follicle.
Answer: ovulation
What hormone do follicles produce?
What hormone do follicles produce?
Answer: estrogen
What contains follicles that consist of a single egg surrounded by cells that nourish and protect it.
What contains follicles that consist of a single egg surrounded by cells that nourish and protect it.
Answer: ovaries
What female structure are the sites of gamete production?
What female structure are the sites of gamete production?
Answer: ovaries
What female structure becomes erect upon sexual arousal?
What female structure becomes erect upon sexual arousal?
Answer: clitoris
What is the name of the structure that partially covers the vaginal opening?
What is the name of the structure that partially covers the vaginal opening?
Answer: hymen
What are the inner folds bordering the openings of the vagina called?
What are the inner folds bordering the openings of the vagina called?
Answer: labia minora
What is the name of the fatty ridges that protect the entire female genital region?
What is the name of the fatty ridges that protect the entire female genital region?
Answer: labia majora
What is the other name for the birth canal?
What is the other name for the birth canal?
Answer: vagina
What are the outer features of the female reproductive tract called?
What are the outer features of the female reproductive tract called?
Answer: vulva
What does each vas deferens empty into?
What does each vas deferens empty into?
Answer: urethra
The ________ and _________ add fluid that nourishes and protects the sperm.
The ________ and _________ add fluid that nourishes and protects the sperm.
Answer: seminal vesicle, prostate gland
During ejaculation, the sperm leave the __________ and travel through a duct called the vas deferens.
During ejaculation, the sperm leave the __________ and travel through a duct called the vas deferens.
Answer: epididymis
A testis and scrotum together are called a _____?
A testis and scrotum together are called a _____?
Answer: testicle
The male gonads are known as _____ and are enclosed in the scrotum and produce sperm.
The male gonads are known as _____ and are enclosed in the scrotum and produce sperm.
Answer: testes
What structure of the penis covers the glans and can be removed during circumcision?
What structure of the penis covers the glans and can be removed during circumcision?
Answer: prepuce (foreskin)
What structure of the male human body contains erectile tissue that fills with blood and becomes erect during sexual arousal?
What structure of the male human body contains erectile tissue that fills with blood and becomes erect during sexual arousal?
Answer: penis
Both sexes of humans have a pair of ______ that help produce gametes.
Both sexes of humans have a pair of ______ that help produce gametes.
Answer: gonads
What is the fusion of two haploid sex cells called gametes to form a zygote?
What is the fusion of two haploid sex cells called gametes to form a zygote?
Answer: sexual reproduction
What is the creation of new individuals from existing ones?
What is the creation of new individuals from existing ones?
Answer: reproduction
What term describes the inability to conceive after at least one year of regular, unprotected sex?
What term describes the inability to conceive after at least one year of regular, unprotected sex?
Answer: infertility
Breathing _______ smoke can cause damage to cells that line the bronchi and trachea.
Breathing _______ smoke can cause damage to cells that line the bronchi and trachea.
Answer: tobacco
What structure of the brain controls breathing?
What structure of the brain controls breathing?
Answer: brain stem
During exhalation, rib and diaphragm ______.
During exhalation, rib and diaphragm ______.
Answer: relax
Air moves INTO (= inhalation) the lungs by ____________.
Air moves INTO (= inhalation) the lungs by ____________.
Answer: negative pressure breathing
During inhalation, the chest is expanded by the _________ movement of the diaphragm.
During inhalation, the chest is expanded by the _________ movement of the diaphragm.
Answer: downward
Air goes past the ______ during exhalation to produce audible noises.
Air goes past the ______ during exhalation to produce audible noises.
Answer: vocal cords
air -> ___________ -> pharynx -> larynx -> trachea (windpipe) -> bronchi -> bronchioles -> alveoli
air -> ___________ -> pharynx -> larynx -> trachea (windpipe) -> bronchi -> bronchioles -> alveoli
Answer: nostrils and mouth
____ -> nostrils and mouth -> pharynx -> larynx -> trachea (windpipe) -> bronchi -> bronchioles -> alveoli.
____ -> nostrils and mouth -> pharynx -> larynx -> trachea (windpipe) -> bronchi -> bronchioles -> alveoli.
air
What structure is also known as the wind pipe?
What structure is also known as the wind pipe?
Answer: windpipe
What structure is also known as the voice box?
What structure is also known as the voice box?
Answer: larynx
What structure connects the digestive and respiratory track?
What structure connects the digestive and respiratory track?
Answer: pharynx
Lungs in the chest cavity are protected by the ______.
Lungs in the chest cavity are protected by the ______.
Answer: rib cage
Lungs in the chest cavity lie on top of the ________, a sheet of muscle.
Lungs in the chest cavity lie on top of the ________, a sheet of muscle.
Answer: diaphragm
What is the ventilation of the lungs by alternate inhalation and exhalation?
What is the ventilation of the lungs by alternate inhalation and exhalation?
Answer: breathing
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