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trigger warning loll -also these are kinda a simplified version of the other flashcard deck for this quiz
the union of gametes
sexual reproduction
term for sperm cells and egg cells
gametes
the process of gametes joining to form a new living thing
hint: not sexual reproduction— the other term
fertilization
the system designed to carry out the essential process of fertilization
reproductive system
main reproductive organs
gonads
process by which gametes are produced
meiosis
the gonads function as part of what other system?
endocrine
the time of physical transition from child to adult
adolescence
the stage in which the reproductive organs mature and the person becomes physically able to reproduce
puberty
characteristics such as the growth of hair on the face and body, a deepening of the voice in males, and enlargement of the breasts in females
secondary sex characteristics
male gonads
testes
small pouch outside the body cavities where the testes are placed
scrotum
the main hormone produced by the testes
testosterone
small organ in which sperm mature and are stored
epididymis
two ducts that transfer sperm from the epididymides to the urethra
vasa deferentia
the fluid consisting of sperm and secretions
semen
semen leaves the body through this
urethra
the urethra also functions as part of what system?
urinary
female gonads
ovaries
several thousand structures in the ovary that each contain a developing egg cell
follicles
true or false
all the egg cells a girl will ever have are present but immature when she is born
true
the process by which the mature egg cell is released from the follicle
ovulation
connect the the ovaries to the uterus
fallopian tubes
primary female reproductive hormone produced in the ovaries
estrogens
hollow muscular organ in the lower abdomen, also known as the womb
uterus
process by which the uterus sheds its lining if fertilization does not occur
menstruation
when does a new life begin to develop?
conception
th 38-40 week period from conception to birth
gestation
what is an unborn child called when the basic body structures and systems are forming?
embryo
what is an unborn baby considered from the ninth week of development until birth?
fetus
a fertilized egg
zygote
hollow ball of cells
blastocyst
process by which the blastocyst attaches to the uterine wall
implantation
membranous sac filled with amniotic fluid that protects the child as they develop
amniotic sac
three distinct layers of cells formed by the blastocyst
primary germ layers
outer layer that develops into the nervous system, sensory organs, and epidermis
ectoderm
middle layer that develops into many internal organs
mesoderm
inner layer that develops into the digestive organs, respiratory tract, urinary bladder, and urethra
endoderm
the placenta & umbilical cord allow the growing child to receive _____________ from his mother
nourishment
a sac of blood vessels connecting the mother and child
placenta
a membrane produced by the child
chorion
connects the placenta to the baby
umbilical cord
carries oxygen and nutrients from the placenta to the baby
umbilical vein
carry wastes from the baby to the placenta
umbilical arteries
process that begins to replace the cartilage skeleton with bone
ossification
by the end of the ___th week, the unborn child is distinctly recognizable as a tiny human being
8
in the fetal period of development, from week nine to birth, the baby grows to the ______ and proportions it will have at birth
size
the process of birth
labor
opening of the uterus
cervix
during the first phase of labor, the cervix _________, allowing room for the baby to exit
dilates
scar left where the dried remains of the umbilical cord fell off
umbilicus
Note
Flashcard