Reproductive System

Question 1

The chief male reproductive organs. It is an oval-shaped male reproductive gland that produces sperm and secretes testosterone

Answer 1

Testes

Question 2

It is the small, muscular sac that contains and protects the testicles

Answer 2

Scrotum

Question 3

Highly-coiled tubes where the sperm is formed

Answer 3

Seminiferous tubules

Question 4

Male gametes

Answer 4

Sperm

Question 5

It is where the sperm are temporarily stored

Answer 5

Epididymis

Question 6

It is through which the sperm pass

Answer 6

Vas deferens

Question 7

These three glands add their secretions to the travelling sperm

Answer 7

Seminal vesicles, prostate gland, Cowper’s gland

Question 8

Secretes a sugar and protein continuing fluid into the ejaculatory duct

Answer 8

Seminal vesicle

Question 9

Secretes an alkaline viscid fluid which is a major constituent of the semen

Answer 9

Prostate gland

Question 10

An external sex organ that hanga in front of the scrotum

Answer 10

Penis

Question 11

The union of two kinds of gametes: the male sex cell or sperm and the female sex cell or egg, resulting to the formation of a fertilized egg called zygote

Answer 11

Fertilization

Question 12

Refers to the earliest stage of development of an organism into which the zygote develops through a series of cell divisions

Answer 12

Embryo

Question 13

These are slightly flattened bean-shaped bodies. It is one of the usually paired organs in the body of female animals that produces eggs and that, in female, vertebrates, also produces sex hormones

Answer 13

Ovaries

Question 14

Round structures in the ovaries where oogenesis takes place

Answer 14

Follicles

Question 15

The female sex cells

Answer 15

Egg cells or ova

Question 16

Either one of the pair of tubes that carry eggs from the ovary to the uterus

Answer 16

Oviducts (fallopian tube)

Question 17

The muscular organ of a female mammal in which the young develop before birth, also called the womb

Answer 17

Uterus

Question 18

The process of producing sperm cells

Answer 18

Spermatogenesis

Question 19

The production of sex cells or gametes

Answer 19

Gametogenesis

Question 20

The process of female gamete formation including meiosis and formation of eggs

Answer 20

Oogenesis

Question 21

It is made up of sperm cells, together with the secretions of the glands and reproductive ducts

Answer 21

Semen

Question 22

The process to produce eggs or release them from an ovary

Answer 22

Ovulation

Question 23

A yellow mass of cells that secretes a hormone that is responsible for maintaining the lining of the uterus during pregnancy

Answer 23

Corpus luteum

Question 24

What happens when the egg is not fertilized?

Answer 24

• deterioration of the corpus luteum
• maturation of a new follicle for the next reproductive cycle of the female
• breaking down of the uterus lining which is discharged as menstrual flow

Question 25

A cell formed by the union of two sex cells, the developing individual produced from such a cell

Answer 25

Zygote

Question 26

The process when the embryo reaches the uterus, that attaches itself to the soft tissues of the uterine wall

Answer 26

Implantation

Question 27

The structure which connects the embryo to the mother

Answer 27

Umbilical cord

Question 28

The part of the uterus to which the umbilical cord is attached

Answer 28

Placenta

Question 29

The process where the baby stays in the uterus or womb for a period of nine months

Answer 29

Gestation period or pregnancy

Question 30

10 stages of human development

Answer 30

* Fertilization * Cleavage * Blastulation * Gastrulation * Neurulation * Organogenesis * Continued Morphogenesis * End of 1st trimester * 2nd trimester * 3rd trimester

Question 31

The unfertilized egg is activated by fusion with the sperm in the fallopian tube

Answer 31

Fertilization

Question 32

The zygote cleaves by mitosis as it moves down the uterus

Answer 32

Cleavage

Question 33

The embryo forms a hollow ball and 3-6 days after fertilization becomes implanted in the uterus

Answer 33

Blastulation

Question 34

The placenta forms around the 2-week old embryo

Answer 34

Gastrulation

Question 35

The 3-week old embryo, 2 mm in size, develops muscle tissues, vertebra, and blood vessels, nervous system

Answer 35

Neurulation

Question 36

The one month old embryo is 1/2 cm in size, and forms body organs

Answer 36

Organogenesis

Question 37

The embryo, now 2 months, shows miniature limbs as hands, arms, elbows, legs, knees

Answer 37

Continued morphogenesis

Question 38

The fetus, now 3 months, had complete organs

Answer 38

End of 1st trimester

Question 39

There is heartbeat detected and fine body hairs. The fetus is 1 foot long and 2 1/4 pounds

Answer 39

2nd trimester

Question 40

There is a period of growth, the fetus reaches 6-9 pounds

Answer 40

3rd trimester