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1 Answer:
The system of the human body that produces new individuals
is called the
a. endocrine system.
b. nervous system.
c. reproductive system.
d. skeletal system.
2 Answer:
Female sex cells are called
a. ova.
b. ovaries.
c. ovisacs.
d. ovules.
3 Answer:
Which of the following is "not" part of a male sex cell?
a. head
b. middle piece
c. end piece
d. tail
4 Answer:
Both male and female sex cells pass on inherited traits through
thick, rodlike structures called _____.
a. centromeres.
b. centrosomes.
c. chromophoes.
d. chromosomes.
5 Answer:
Fertilization is
a. a process in which an organism becomes more complex.
b. the joining of the male and female sex cells
c. the movement of the egg along the Fallopian tube.
d. a developmental stage of sperm.
6 Answer:
The organ that produces male sex cells is the
a. scrotum.
b. ovary.
c. testis.
d. penis.
7 Answer:
Estrogen is a hormone that
a. triggers maturation of egg cells.
b. causes the growth of facial and body hair.
c. triggers maturation of sperm cell.
d. is produced by the uterus.
8 Answer:
Which one of the following does "not" occur during the menstrual
cycle?
a. Ovulation takes place.
b. The placenta forms.
c. The lining of the uterus thickens.
d. The lining of the uterus breaks down.
9 Answer:
In which of the following structures does the early development
of the unborn baby take place?
a. ovary
b. vagina
c. cervix
d. uterus
10 Answer:
On the average, for how many days does menstruation last?
a. one
b. three
c. five
d. ten
11 Answer:
During the first eight weeks of development before birth, a
baby is called a(an)
a. fetus.
b. embryo.
c. infant.
d. zygote.
12 Answer:
What is the function of the placenta?
a. transfering oxygen and food from the mother to the developing
baby
b. transfering wastes from the developing baby to the mother
c. both a and b
d. neither a nor b
13 Answer:
The umbilical cord connects the
a. placenta to the uterus.
b. embryo to the placenta.
c. mother's cirulatory system to the fetus.
d. digestive systems of both the mother and the embryo.
14 Answer:
What is the normal length of time from fertilization to birth?
a. seven months
b. eights months
c. nine months
d. ten months
15 Answer:
Labor involves strong muscular contractions of which of the
following organs?
a. uterus
b. cervix
c. vagina
d. placenta
16 Answer:
At what age does the period called childhood begin?
a. 6 months
b. 1 year
c. 1 1/2 years
d. 2 years
17 Answer:
The word "adolescence" comes from a Latin word that means
a. "young adult."
b. "after childhood."
c. "great changes."
d. "growing up."
18 Answer:
Which of the following does "not" happen during puberty?
a. The sex organs develop rapidly.
b. A growth spurt occurs.
c. Sperm are produced.
d. Muscular skills develop.
19 Answer:
In the aging process, females go through a physical change
called menopause in which
a. the ovaries degenerate.
b. menstruation stops.
c. the cervix closes off the uterus.
d. estrogen is secreted at high levels.
20 Answer:
Adulthood begins at age
a. 18.
b. 20.
c. 21.
d. 25.
21 Answer:
Which of the following is a male hormone?
a. estrogen
b. sperm
c. testosterone
d. scrotum
22 Answer:
Sperm is transferred from a male to a female through the
a. urethra.
b. penis.
c. vagina.
d. uterus.
23 Answer:
How many chromosomes do human sex cells contain?
a. 23
b. 46
c. 92
d. 13
24 Answer:
The amniotic sac
a. cushions and protects the developing baby.
b. connects the placenta to the embryo.
c. acts as a transfer station between mother and fetus.
d. does all of the above.
25 Answer:
Egg cells develop in the
a. testes.
b. Fallopian tubes.
c. uterus.
d. ovaries.
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jorgeplayz11:
dont gess plz
Answers
Answered by
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Answered by
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hey mate❤❤
⤵⤵⤵⤵⤵⤵
1) c reproductive system
2) ovaries
3) end part
5) the joining of male and female sex cell
6) testis
7) triggers maturation of egg cells.
8) The placenta forms.
9) uterus
10) 5
11) fetus
12) both a and b
14) nine months
17) "young adult."
18) Muscular skills develop.
19) menstruation stops.
20) 18
21) testosterone
22) penis
23) 46
25) uterus
hope it helps❤❤
I could just do what I know
☺☺☺☺☺☺☺☺☺
⤵⤵⤵⤵⤵⤵
1) c reproductive system
2) ovaries
3) end part
5) the joining of male and female sex cell
6) testis
7) triggers maturation of egg cells.
8) The placenta forms.
9) uterus
10) 5
11) fetus
12) both a and b
14) nine months
17) "young adult."
18) Muscular skills develop.
19) menstruation stops.
20) 18
21) testosterone
22) penis
23) 46
25) uterus
hope it helps❤❤
I could just do what I know
☺☺☺☺☺☺☺☺☺
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