Human Reproduction and Development

Question 1

Gonad

Answer 1

Organ in which sex cells develop

Question 2

Ovaries

Answer 2

Female gonads

Question 3

Testes

Answer 3

Male gonads

Question 4

Gametes

Answer 4

sex cells

Question 5

Ova/egg cells

Answer 5

Female gametes

Question 6

Sperm cells

Answer 6

Male gametes

Question 7

Ovum shape

Answer 7

Round, unable to move by itself

Question 8

Contained within the ovum

Answer 8

nucleus, often stored food in yolk form

Question 9

Size of ovum

Answer 9

Larger than same species’ sperm (human is .1 mm in diameter)

Question 10

Sperm appearance

Answer 10

Head, middle piece, flagellum

Question 11

Sperm head

Answer 11

contains nucleus (with chromosomes) and acrosome

Question 12

acrosome

Answer 12

has enzymes that helps sperm penetrate egg

Question 13

middle piece sperm

Answer 13

mitochondria giving sperm energy to move

Question 14

flagellum

Answer 14

allows sperm to swim

Question 15

How and where are sperm cells produced?

Answer 15

By meiosis, in the testes

Question 16

Where are the testes located?

Answer 16

Scrotum

Question 17

How many testes?

Answer 17

2

Question 18

Scrotum

Answer 18

External pouch containing the testes

Question 19

Temperature in scrotum

Answer 19

1-2 degrees celsius cooler then normal body temperature (34C) best for sperm production

Question 20

Where are immature sperm formed?

Answer 20

seminiferous tubules

Question 21

seminiferous tubules

Answer 21

Coiled tubes located within the testes

Question 22

Where does the sperm pass after the seminiferous tubules?

Answer 22

Epididymis

Question 23

Epidydimis

Answer 23

Storage area on upper part of each testus

Question 24

Where are the sperm stored? How long does it take?

Answer 24

Epididymis, 18 hr

Question 25

What happens after the sperm is released from the epididymis?

Answer 25

travels thru pathway of tubes til it leaves the body

Question 26

Where is sperm carried out into after the epididymis?

Answer 26

Vas deferns

Question 27

Vas deferens

Answer 27

tubules where the sperm is carried after epididymis

Question 28

What happens while the sperm is traveling through the vas deferns?

Answer 28

Different glands add fluid to sperm for nourishment and transport

Question 29

Semen

Answer 29

Mixture of fluid and sperm

Question 30

Glands that add fluid to sperm

Answer 30

prostate, Cowper's glands, and seminal vesicles

Question 31

How is the activated sperm carried out of the body? Through what?

Answer 31

Involuntary muscle contractions via the urethra

Question 32

Where does the urethra extend from to?

Answer 32

From the bladder to the penis

Question 33

Penis

Answer 33

Structure specialized for internal fertilization

Question 34

What does the penis do with the sperm?

Answer 34

Directly deposits it into the female reproductive tract

Question 35

What hormone does the testes produce?

Answer 35

Testosterone

Question 36

What does testosterone control?

Answer 36

Beginning of puberty and expression of male secondary sex characteristics

Question 37

How and where are egg cells (ovum) produced?

Answer 37

Produced by meiosis in the ovary

Question 38

Singular ovum

Answer 38

ova

Question 39

How many ovaries does a female have?

Answer 39

2

Question 40

Where are the ovaries located?

Answer 40

Lower abdomen

Question 41

How many immature egg cells has a female produced at birth? Will she need them?

Answer 41

400,000. Not all of them, no.

Question 42

How many egg cells will a female release in her lifetime?

Answer 42

400.

Question 43

Where are the immature eggs of the female store?

Answer 43

The follicles of the ovary.

Question 44

Follicles of the ovary

Answer 44

Small sacs of the ovary

Question 45

How often does an egg cell mature?

Answer 45

Once a month

Question 46

What happens when an egg cell matures?

Answer 46

It is released from a follicle in an ovary

Question 47

Ovulation

Answer 47

The process of the egg cell maturing and being released from its follicle

Question 48

Oviduct/Fallopian tubes

Answer 48

Short tube that egg travels along when released

Question 49

Where do the fallopian tubes lead?

Answer 49

Uterus

Question 50

How does the egg move in the fallopian tubes?

Answer 50

Cilia lining the oviduct sweep the released egg into the tube

Question 51

What happens to the egg if there is sperm present?

Answer 51

It is fertilized in the oviduct.

Question 52

Uterus

Answer 52

Hollow, thick walled oval organ

Question 53

Where does development of the fertilized egg occur?

Answer 53

Uterus

Question 54

Cervix

Answer 54

Narrow neck contained by the uterus

Question 55

Common secondary sex characteristics

Answer 55

Growth of body hair, deepening of voice in men, growth of breasts in women

Question 56

Vagina/birth canal

Answer 56

Tube leading from the cervix to the outside of the body in a female

Question 57

Female hormones

Answer 57

Estrogen and progesterone

Question 58

Where are the female hormones produced?

Answer 58

Ovaries

Question 59

Mammary glands

Answer 59

Breasts

Question 60

What do the female hormones control?

Answer 60

Beginning of puberty and expression of secondary sex characteristics

Question 61

Study the diagram of the reproductive systems

Answer 61

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