Biology

Question 1

Ovaries

Answer 1

Store and release eggs

Question 2

Fallopian tubes

Answer 2

Carry the egg to the uterus

Question 3

Uterus

Answer 3

Where the fertilized egg becomes implanted and finds nourishment

Question 4

Cervix

Answer 4

Leads from the vagina to the uterus

Question 5

Vagina

Answer 5

Holds the make penis

Question 6

Ovulation

Answer 6

An egg is released every 28 days

Question 7

Menstruation

Answer 7

Uterus become thicker in blood , if it is not used it breaks away
Period

Question 8

Fertile period

Answer 8

Days a woman is most likely to have a baby

Question 9

Pause

Answer 9

If an egg is fertilized a period is paused for the duration of the pregnancy the first sign of pregnancy is the period not showing up

Question 10

Testes

Answer 10

Produce sperm

Question 11

Scrotum

Answer 11

Where the testes are , ensure the temperature is lower than the body temperature to have good sperm

Question 12

Epididymis

Answer 12

Tube that stores sperm and allows them to mature fully

Question 13

Vas derferens

Answer 13

Sperm duct - brings the sperm along

Question 14

Seminal vesicles , prostate glands and cowpers glands

Answer 14

produce fluid which mixes sperm and allows them to swim

Question 15

Penis

Answer 15

Enters the female and ejaculates the sperm

Question 16

Puberty

Answer 16

Describes when the body start becoming sexually mature organs develop it normally happens between 10-16

Question 17

Male puberty

Answer 17

Hormones (testosterone) is released causing voice to grow deeper hair grows organs grow bigger

Question 18

Female puberty

Answer 18

Hormones (estrogen and progesterone)are released and develope body parts hips open hair grows (the first egg drops is a sign of puberty )

Question 19

Fertilization

Answer 19

If an egg is in the Fallopian tube sperm may fuse together to make a woman pregnant

Question 20

Embryo

Answer 20

The egg divides many times into a tiny group of cells moves to the uterus and settles in the lining to form an embryo

Question 21

Zygote - embryo - fetus

Answer 21

• egg and sperm fuse - zygote
• cell division occurs and growth - embryo
• embryo attaches to the lining grow and at 8 weeks looks like a human
• fetus

Question 22

Pregnancy

Answer 22

40 weeks -

As the embryo developes it is protected in amniotic fluid and provides a cushion for the embryo

Question 23

Umbilical cord

Answer 23

Tube that connects the embryo to the placenta

Question 24

Placenta

Answer 24

rich in blood vessels oxegyn goes in waste goes out

Question 25

Labour

Answer 25

Uterus muscles contract

Question 26

Waters break

Answer 26

Amniotic fluid bag breaks

Question 27

Afterbirth

Answer 27

Umbilical cord is cut

Question 28

Lactation

Answer 28

Production of Brest milk

Question 29

Colostrum

Answer 29

Nutritious milk to protect the baby from infection

Question 30

Family planning

Answer 30

Controlling the number of children you have

Question 31

Natural methods of contraception

Answer 31

Aim to detect the day ovulation takes place to avoid inter course during the fertile period

Question 32

Artificial method of contraception

Answer 32

- Eg condom stops sperm - Contraceptive pill prevents ovulation - No method is 100% reliable

Question 33

Inherited characteristics

Answer 33

Many physical characteristics such as eye colour and shape of ears were inherited from your parents. The instructions for these inherited characteristics were carried in the two cells that made you the egg and sperm

Question 34

Chromosomes and genes

Answer 34

The nucleus of each sex cell (gamete) contains 23 thread like structures called Chromosomes

Question 35

Chromosomes

Answer 35

Chromosomes are made of protein + DNA | These chromosomes carry genes

Question 36

Genes

Answer 36

are chemicals found on chromosomes that pass on information from parents to children

Question 37

DNA

Answer 37

Deoxyribonucleic acid

Question 38

Taxonomy

Answer 38

the science of classifying organisms

Question 39

Classification

Answer 39

is the placing of organisms into groups, based on similar characteristics. This simplifies the study of organisms and allow scientists to communicate with each other. The basic unit of classification is the species.

Question 40

Species

Answer 40

is a group of organisms that are capable of interbreeding to produce fertile offspring. (Liger = sterile offspring of a male lion and a female tiger) (A mule is the sterile offspring of a male donkey and a female horse)

Question 41

Hereditary

Answer 41

The handing down of traits to parents through genes Eg - nose

Question 42

Variation

Answer 42

means the differences in characteristics between members of the same species. Variations can be acquired (‘picked up’ during the life of the organism) e.g. riding a bicycle or inherited (genetic – can be passed on to next generation) e.g. tongue rolling.

Question 43

Natural selection

Answer 43

Is the process by which the members of a species who are best suited to their environment are most likely to survive and reproduce

Question 44

Zygote - embryo - fetus

Answer 44

- egg and sperm fuse - zygote - cell division occurs and growth - embryo - embryo attaches to the lining grow and at 8 weeks looks like a human - fetus

Question 45

Pregnancy

Answer 45

40 weeks - | As the embryo developes it is protected in amniotic fluid and provides a cushion for the embryo