4th Grading | Science

Question 1

This system ensures the continuation of the species

Answer 1

Reproductive System

Question 2

also known as sex glands

Answer 2

two testes or testicles

Question 3

it is responsible for making sperms and secreting testosterone which is the primary sex hormones

Answer 3

Testes

Question 4

inside the testes are several coiled tubes known as?

Answer 4

Seminiferous tubules

Question 5

6 m coiled tube found on the backside of each testis

Answer 5

Epididymis

Question 6

it is a long, muscular tube that extends from the epididymis upward to the scrotum. It is located just behind the urinary bladder

Answer 6

Vas Deferens

Question 7

It transports the mature sperm to the uretha through peristalsis

Answer 7

Vas deferens

Question 8

it is formed by the merger of the vas deferens and the seminal vesicle

Answer 8

Ejaculatory Duct

Question 9

it is a thin-walled tube that extends from the urinary bladder to the end of the penis

Answer 9

Urethra

Question 10

It has two functions- to carry urine from the bladder and carry semen that has sperms during ejaculation

Answer 10

Urethra

Question 11

these glands produce secretions involved in the reproductive process

Answer 11

Accessory Gland

Question 12

are sac-like pouches that attach to the vas deferens

Answer 12

Seminal Vesicles

Question 13

It secretes an alkaline fluid that helps regulate the pH of the semen. It also contains fructose as an energy source of the sperms

Answer 13

Seminal Vesticle

Question 14

is a doughnut shape gland that is located below the urinary bladder in front of the rectum

Answer 14

Prostate gland

Question 15

It also activates the swimming movements of the sperm

Answer 15

Prostate Gland

Question 16

are two spherical glands that are located below the prostate gland

Answer 16

Bulbourethral Gland

Question 17

they are also known as Cowper’s gland

Answer 17

Bulbourethral Gland

Question 18

What are the external parts of the male reproductive System

Answer 18

Scrotum and Penis

Question 19

It is the external sac of the skin that contain the testes.

Answer 19

Scrotum

Question 20

what is the degree of the body that the scrotum also have to regualte

Answer 20

37 degree celcius

Question 21

it is the external part of the male reproductive organ that leads the fluid and sperm outside the body

Answer 21

Penis

Question 22

this is a surgical removal of prepuce, a loose sheath of skin found in the penis

Answer 22

Circumcision

Question 23

the testis has special cells that produce

Answer 23

sperm

Question 24

3 part of the sperm

Answer 24

1. head
   2.midpiece
   3.tail

Question 25

what do the 3 parts of the sperm contain?

Answer 25

head - nucleus midpiece - mitochondria and flagellum tail - tail sheath

Question 26

The accessory glands will provide a fluid that neutralizes the acidity of the urethra and will provide nourishment for he sperm. This fluid is known as?

Answer 26

Seminal fluid or semen

Question 27

what are the 4 cause why some male experience infertility

Answer 27

1. hormonal imbalance 2. low sperm count 3. duct blockage 4. low fructose content of semen

Question 28

it is regulated by the autonomous nervous system so it is not voluntary

Answer 28

Ejaculation

Question 29

the sperm is ejected through the penis by the contraction of smooth muscles lined in the reproductive tract

Answer 29

Ejaculation

Question 30

these are the primary sex organs of a female

Answer 30

Ovaries

Question 31

they have the same size and shape oof almonds

Answer 31

Ovaries

Question 32

what ae the two female sex hormoes

Answer 32

Progesterone and estrogen

Question 33

fallopian tubes are also known as

Answer 33

uterine tubes or oviducts

Question 34

Each funnel like structure is divided jnto fingerlike structures called

Answer 34

Fimbriae

Question 35

is a hollow organ with thick muscular walls

Answer 35

Uterus

Question 36

it is the lower part of the uterus and is inserted into the upper end of the vagina

Answer 36

Cervix

Question 37

it is the upper portion that joins the fallopian tubes

Answer 37

Body