miracle of life

Question 1

First organized form of primitive life

Answer 1

tiny protozoan

Question 2

Where does the tiny protozoan live and what does it use for movement

Answer 2

sea water; cilia and flagella

Question 3

basic unit of life, how it reproduces, number of chromosomes per cell

Answer 3

cell; cell division; 46

Question 4

where are eggs made and how many eggs are present in them

Answer 4

ovaries, 250,000 eggs

Question 5

event wherein follicles which enclose the eggs rupture

Answer 5

ovulation

Question 6

how will the follicles rupture?

Answer 6

follicles will swell with liquor folliculae

Question 7

where will the egg wait for the sperm after follicular rupturing

Answer 7

fallopian tube

Question 8

outermost fringes of fallopian tube brush swollen follicle and which searches for newly-released egg

Answer 8

fimbriae

Question 9

size of newly released egg

Answer 9

a grain of sand

Question 10

how the egg is moved from the fallopian tube to the uterus

Answer 10

muscle contractions

Question 11

no. of hours in which the newly-released egg must be fertilized before disintegrating

Answer 11

24 hours

Question 12

control male and female reproductive cycles/ reproductive ability

Answer 12

sex hormones

Question 13

male organ which produces sperm

Answer 13

seminiferous tubules in testicles

Question 14

where sperms are stored

Answer 14

epididymis

Question 15

produces lubricating fluid to aid in sperm’s journey

Answer 15

cowper’s gland

Question 16

produces an alkaline fluid which protects sperm

Answer 16

prostate gland

Question 17

composition of semen

Answer 17

sperm + lubricating fluid from cowper’s gland + alkaline fluid from prostate gland

Question 18

route of sperm from production to ejaculation (and what each organ does)

Answer 18

seminiferous tubules (sperm production) -> epididymis (sperm storage) -> vas deferens -> seminal vesicle (secrete sugars) -> prostate gland (alkaline fluid) -> cowper’s gland (lubricant) -> urethra

Question 19

keeps the testicles suspended and away from body heat

Answer 19

scrotum

Question 20

connects each nurse cell to over 150 sperm cells throughout the tubule; enable nurse cells to feed and protect maturing sperm

Answer 20

tendrils

Question 21

give 5 causes of sperm deformity

Answer 21

any of these: slight elevation of temperature, environmental conditions, overcrowding, stress, smoking, chemical pollution of air and water, occupational hazards, radiation, poor nutrition, modern clothing

Question 22

silent languages

Answer 22

desire and physical love (eyes, skin)

Question 23

barriers to fertilization

Answer 23

high percentage of defective sperm has lowered odds of fertilization, acidic environment of vagina, femal immune system will destroy them, try to ertilize the first round object they find

Question 24

this is secreted by the cervix during ovulation which provides tiny channels directing the spem to egg

Answer 24

mucin

Question 25

fertilized egg that has started to divide

Answer 25

zygote

Question 26

how many days will it take for the blastocyst to be implanted at the uterine lining

Answer 26

5 days

Question 27

provides nourishment to the embryo, connected to uterine lining

Answer 27

placenta

Question 28

what happens 5 weeks after fertilization

Answer 28

nose of embryo takes shape

Question 29

in how many weeks can you call the embryo a fetus

Answer 29

10 weeks

Question 30

actively turning inside the mother (what week)

Answer 30

16 weeks

Question 31

(what week) can the fetus bring its hands together and suck its thumb?

Answer 31

14 weeks

Question 32

cleavage of human embryo

Answer 32

holoblastic rotational