Transcript Slide 1

Reproductive
Systems
Male & Female
Function
• To ensure survival of the species
•
•
•
•
To produce egg and sperm cells
To transport and sustain these cells
To nurture the developing offspring
To produce hormones
• Other systems strive to maintain a state of
homeostasis.
Male
• Functions
– To produce, maintain and transport sperm (the
male reproductive cells) and protective fluid
(semen)
– To produce and secrete male sex hormones
responsible for maintaining the male reproductive
system
ANATOMY DIAGRAM for Poster or Transparency, for ACTIVITY 2.2
Male
Male Inside
Inside
Bladder
Make
Make
Fluid for
Fluid for
Semen
Semen
Holds Urine
Holds Urine
Seminal
Vesicle
Urethra
Prostate Gland
Urine & Semen
Urine & Semen
Leave Body
Leave Body
Vas Deferens
Epididymis
Testicle
Pathway
Pathwayfor
for
Sperm
Sperm
Sperm Mature,
Sperm Mature,
Travel Through
Travel Through
Produce Sperm &
Produce Sperm &
Male
MaleHormones
Hormones
Copyright © 2006-2008 by Janet P. Realini, M.D., M.P.H.
ANATOMY DIAGRAM for Poster or Transparency, for ACTIVITY 2.2
Male
Male Outside
Outside
Allows for Sexual
Allows for Sexual
Stimulation &
Stimulation &
Intercourse
Intercourse
Shaft
of Penis
“Head” of the Penis,
“Head” of the Penis,
Sensitive
Sensitive
Glans
of Penis
Scrotum
Foreskin
Covers the Glans of
Covers the Glans of
the Penis; Pulls Back
the Penis; Pulls Back
Contains Testicles,
Contains Testicles,
Spermatic Cords, Vessels
Spermatic Cords, Vessels
Uncircumcised
Uncircumcised
Opening of
Urethra
Urine and Semen
Urine and Semen
Leave the Body
Leave the Body
Circumcised
Circumcised
Copyright © 2006-2008 by Janet P. Realini, M.D., M.P.H.
Male Reproductive
System
Look at the picture. This is the
male reproductive system.
Definition: the organ system
involved in reproduction.
Definición: el sistema de
órganos implicados en la
reproducción.
Sistema Reproductor
Masculina
Question: What is the male sex
cell called?
Penis
Look at the picture. This is the
penis.
Definition: the male organ used for
sexual reproduction and urination.
Definición: el órgano masculino
utilizado para la reproducción sexual
y la micción.
Did you know: Males have 24,000
nerve ending in their penis. The
hand has 2,500 nerves per square
centimeter.
Pene
Testicle
Look at the picture. This is a testicle.
It is the gland inside the scrotum.
Males have 2 testicles. It is also
called the testis (s) or testes (p).
Definition: the male gland that
releases sperm and hormones that
regulate sexual development and
reproduction.
Definición: la glándula masculina
que libera espermatozoides y las
hormonas que regulan el desarrollo
sexual y la reproducción.
Testículo
Did you know: What is the other
word for testicle? What is the
plural?
Erection
Look at the picture. This is the
penis.
Definition: the enlarged state or
condition of the penis, when
filled with blood.
Definición: el estado o
condición de ampliación del
pene, cuando está lleno de
sangre.
Erección
Did you know: stimulation of
the nerve ending causes an
erection.
Vas Deferens
Look at the picture. The red tubes
are called vas deferens. Males have
2 vas deferens. One leading to each
of the testicles.
Definition: Either of two tubes
through which sperm passes from a
testis to the outside of the body
Definición: un testículo al exterior
del cuerpo
Question: What travels through the
vas deferens?
Conducto Deferente
Prostate
Look at the picture. The round red
organ is the prostate gland. It is
found only in men.
Definition: a firm partly muscular
gland in males that produces the
fluid part of semen.
Definición: de una empresa de la
glándula parcialmente muscular en
los varones que produce la parte
líquida del semen.
Próstata
Did you know: Prostate cancer is
common in older men?
Seminal Vesicles
Look at the picture. The small red
gland is called the seminal vesicle.
Men have 2 seminal vesicles.
Definition: the glands that open into
the vas deferens and that secrete
many components of semen during
ejaculation.
Definición: las glándulas que se
abren en el conducto deferente y
que muchos de los componentes de
secretar el semen durante la
eyaculación.
Vesículas
Seminales
Question: What are the vas
deferens?
Ejaculation
Look at the picture. The arrows
in the picture show that sperm is
moving from the testicle into the
vas deferens in their way out the
penis.
Definition: the discharge of
semen in males.
Definición: la descarga de
esperma en los machos.
Eyacular
Question: How many sperm are
released during ejaculation?
Scrotum
Look at the picture. This is a
scrotum.
Definition: the external sac of skin
that holds the testes in males.
Definición: de la bolsa externa de la
piel que contiene los testículos en
los varones.
Question: What is the organ called
inside the scrotum?
Escroto
Sperm
Look at the picture. This is a
sperm cell.
Definition: the male
reproductive cell.
Definición: la célula
reproductiva masculina.
Question: Where are sperm
cells made?
Esperma
Semen
Look at the picture. This is a sample
of semen. It contains sperm and
other fluids.
Definition: the thick whitish fluid
containing sperm that is ejaculated
from the male penis.
Definición: el líquido blanquecino
espeso que contiene
espermatozoides que se eyacula del
pene masculino.
Semen
Question: What is the function of
the other fluids in the semen?
Female
• Functions
– Produces the female egg cells
– Transports the eggs to the site of fertilization
– The fertilization of an egg by a sperm, occurs in
the fallopian tubes
Female
• Functions
– After fertilization, provides a place for a baby to
develop.
– If fertilization does not take place, the system is
designed to menstruate .
– Produces female sex hormones that maintain the
reproductive cycle.
ANATOMY DIAGRAM for Poster or Transparency, for ACTIVITY 2.2
Female
Female Inside
Inside
Fallopian Tube
Pathway for Egg;
Pathway for Egg;
Fertilization
Fertilization
Occurs Here
Occurs Here
Produce
Produce
Eggs &
Eggs &
Female
Female
Hormones
Hormones
Ovary
Uterus
Fetus
FetusGrows
Grows
Inside
Inside
Cervix
Dilates in Labor;
Dilates in Labor;
Where Pap Smear
Where Pap Smear
isisDone
Done
Vagina
Allows
Allowsfor
forBirth,
Birth,
Menstrual Flow &
Menstrual Flow &
Sexual Intercourse
Sexual Intercourse
Copyright © 2006, 2007 by Janet P. Realini, M.D., M.P.H.
Female Reproductive
System
Look at the picture. This is the
female reproductive system.
Definition: the organ system
involved in reproduction in
females.
Definición: el sistema de
órganos implicados en la
reproducción en las femeninas.
Sistema Reproductor
Femenina
Question: What is the female
sex cell called?
Ovaries
Look at the picture. This is an ovary.
Females have 2 ovaries.
Definition: the organs in the female
that produce the ovum (egg cell)
and hormones related to sexual
development and reproduction.
Definición: los órganos de la mujer
que producen el óvulo (célula
huevo) y las hormonas relacionadas
con el desarrollo sexual y la
reproducción.
Ovarios
Question: What other system is the
ovary a part of?
Uterus
Look at the picture. The picture on
the left shows the uterus. The
picture on the right shows a
pregnant women’s uterus. The fetus
is inside the uterus.
Definition: A hollow muscular organ
located in females , this is where the
fetus (baby before birth) develops.
Also called womb.
Útero
Definición: Un órgano muscular
hueco ubicado en las mujeres, aquí
es donde el feto (el bebé antes de
nacer) se desarrolla. También se
llama vientre.
Question: What is a fetus?
Cervix
Look at the picture. This is the
cervix. It gets bigger, or dilates,
when a women goes into labor or is
about to give birth.
Definition: the neck shaped opening
of the uterus that connects the
uterus to the vagina.
Definición: en el cuello en forma de
abertura del útero que conecta el
útero a la vagina.
Cuello de Útero
Did you know: cervical cancer is a
sexual transmitted disease?
Vagina
Look at the picture. This is the vagina.
Definition: The tube-shaped part of
females that is connected to the
uterus at one end and opens to the
outside of the body on the other end.
The female organ used for sex.
Definición: El tubo de parte en forma
de mujeres que se conecta al útero en
un extremo y se abre al exterior del
cuerpo en el otro extremo. El órgano
femenino usado para el sexo.
Vagina
Did you Know? Women have 3
openings between their legs while
men only have two.
Fallopian Tube
Look at the picture. These are the
fallopian tubes. Females have 2
fallopian tubes.
Definition: Either of a pair of
slender tubes through which ova
pass from the ovaries to the uterus
in the female reproductive system.
Definición: Cualquiera de un par
de tubos delgados por donde
pasan los óvulos de los ovarios con
el útero en el sistema reproductivo
femenino.
Trompa de Falopio
Question: What passes through
the fallopian tube?
Ovum
Look at the picture. This is a
cell. It is called an ovum.
Definition: the female
reproductive cell or egg.
Definición: la célula
reproductora femenina o
huevo.
Question: What is the plural
word for ovum?
Óvulo
Ovulation
Look at the picture. The egg is being
released from the ovary into the
fallopian tube.
Definition: To produce ova;
discharge eggs from the ovary. This
process happens once in month in
mature females.
Definición: Para producir óvulos,
descarga óvulos del ovario. Este
proceso ocurre una vez en el mes de
hembras maduras.
Ovulación
Question: How often does ovulation
occur?
Fertilization
Look at the picture. This is the
large intestine. It is the last place
food goes before it exits the body
as waste.
Definition: the union of the
sperm cell and ovum cell (egg) to
form a zygote.
Definición: la unión del
espermatozoide y la célula óvulo
(huevo) para formar un cigoto.
Fertilización
Did you know? Sperm can live
inside the female body for 3-7
days.
Menstruation
Look at the picture. This is the large
intestine. It is the last place food
goes before it exits the body as
waste.
Definition: The monthly flow of
blood from the uterus beginning at
puberty in girls. It happens when
the ovum (egg) it not fertilized.
Definición: El flujo mensual de
sangre del útero que comienza en la
pubertad en las niñas. Esto ocurre
cuando el óvulo (huevo) no
fertilizado.
Menstruación
Question: What happens if the
ovum is fertilized?