health and human

Question 1

fertility

Answer 1

is the natural capability to produce offspring

Question 2

Sperm, ova and fertilisation

Answer 2

names given for male and female sex. sperm is for male and ova is for female

Question 3

regenerate

Answer 3

regrow to replace damaged, old or dead cells or tissues

Question 4

fertilisation

Answer 4

the fusing of a sperm and an egg cell. Marking the beginning of pregnancy. also known as conception

Question 5

zygote

Answer 5

cell created when an ovum is fertilised by a sperm

Question 6

chromosome

Answer 6

strands of DNA that contains genetic information

Question 7

genes

Answer 7

the blueprint of the body that controls growth, development and how the body functions

Question 8

germinal stage (0-2wks)

Answer 8

this stage starts at fertilisation and ends with implantation

Question 9

implantation

Answer 9

when a cluster of cells that will become an embryo attaches itself to the endometrium

Question 10

morula

Answer 10

a solid ball of cells created from a zygote

Question 11

blastocyst

Answer 11

thin-walled hollow structure consisting of a cluster of cells making up an outer mass that becomes the placenta, and an inner cell mas that becomes the embryo

Question 12

embryo

Answer 12

cell mass from approximately the second to the eighth week after fertilisation

Question 13

placenta

Answer 13

an organ that allows the transfer of nutrients, gases and wastes between mother and foetus

Question 14

endometrium

Answer 14

the nutrient-rich lining of the uterine wall in which the ovum embeds or that is expelled every month of pregnancy does not occur

Question 15

embryonic stage (3-8wks)

Answer 15

starts at implantation and ends at 8 weeks

Question 16

cell differentiation

Answer 16

when cells take on specialised roles

Question 17

organogenesis

Answer 17

the formation of organs

Question 18

Teratogens

Answer 18

anything in the environment of the embryo that can cause defects in development.

Question 19

foetal stage (9-38wk)

Answer 19

starts at the 9th week and continues through to birth

Question 20

amniotic fluid

Answer 20

the fluid surrounding the embryo/foetus that protects the unborn baby