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WorksheetsUNIT 3 - NATURAL SCIENCE: HUMAN REPRODUCTION
Total questions: 80
Worksheet time: 40mins
It is NOT a life process.
Reproduction
Interaction
Digestion
Nutrition
They are the physical differences between male and female bodies.
Primary sex characteristics
Secondary sex characteristice
Sex characteristics
They are examples of primary sex characteristics.
penis - vagina - testicles - ovaries
breasts - facial hair - pubic hair - wider hips
They are examples of secondary sex characteristics.
penis - vagina - testicles - ovaries
breasts - facial hair - pubic hair - wider hips
They are physical differences between male and female reproductive organs.
Primary sex characteristics
Secondary sex characteristics
They are physical differences between males and females, but they are NOT related to reproduction.
Primary sex characteristics
Secondary sex characteristics
It is a life stage (period of time) when reproductive organs develop and secondary sex characteristics start appearing.
Menstruation
Sexual reproduction
Puberty
It is how humans reproduce.
Sexual reproduction
Asexual reproduction
It is another name for male and female reproductive cells.
Vas deferens
Fallopian tubes
red blood cells
gametes
They are TWO names for the male reproductive cell.
sperm cell
egg cell
ovum
spermatozoon
They are TWO names for the female reproductive cell.
sperm cell
egg cell
ovum
spermatozoon
Choose the correct answers.
The male sperm cell is smaller than the female egg cell.
The male sperm cell is bigger than the female egg cell.
The female egg cell is smaller than the male sperm cell.
The female egg cell is bigger than the male sperm cell.
Choose the correct answers.
The female egg cell has a nucleus.
The female egg cell has a head.
The female egg cell has a tail.
The female egg cell has cytoplasm.
The female egg cell has a cell membrane.
Choose the correct answers.
The male sperm cell has a nucleus.
The male sperm cell has a head.
The male sperm cell has a tail.
The male sperm cell has cytoplasm.
The male sperm cell has a cell membrane.
It surrounds and protects a cell.
Nucleus
Cytoplasm
Cell membrane
It controls everything that happens inside the cell.
Nucleus
Cytoplasm
Cell membrane
It contains the organelles that carry out life processes.
Nucleus
Cytoplasm
Cell membrane
Choose the correct answer.
A male stops producing reproductive cells when he is 45 to 55 years old.
A female stops producing reproductive cells when she is 45 to 55 years old.
Choose the correct answer.
A male produces reproductive cells from puberty to death.
A female produces reproductive cells from puberty to death.
When humans reproduce, it is passed from the parents to the child.
DNA
USA
FBI
CIA
It is produced in the ovaries.
A Sperm cell or spermatozoon.
An egg cell or ovum.
It is produced in the testicles.
A Sperm cell or spermatozoon.
An egg cell or ovum.
It is a muscular canal that leads from the vulva to the uterus.
Ovaries
Fallopian tubes
Uterus
Cervix
Vagina
They produce egg cells.
Ovaries
Fallopian tubes
Uterus
Cervix
Vagina
They connect the ovaries to the uterus.
Ovaries
Fallopian tubes
Uterus
Cervix
Vagina
It is the narrow part of the uterus that leads to the vagina.
Ovaries
Fallopian tubes
Uterus
Cervix
Vagina
It is a hollow organ with muscular walls where a fertilized egg cell develops into a fetus.
Ovaries
Fallopian tubes
Uterus
Cervix
Vagina
It is a series of processes performed by a woman's ovaries and uterus every 28 days.
Puberty
Asexual reproduction
The menstrual cycle
Sexual reproduction
Choose the correct order for the process called ejaculation.
penis - ejaculation - testicles - seminal vesicles - vas deferens - prostate - urethra
prostate - vas deferens - seminal vesicles - urethra - testicles - penis - ejaculation
testicles - vas deferens - seminal vesicles - prostate - urethra - penis - ejaculation
testicles - vas deferens - seminal vesicles - prostate - penis - ejaculation - urethra
It is a bag of skin that holds the testicles.
Vas deferens
Scrotum
Glans
It is an elastic organ with a cylindrical shape.
Penis
Prostate
Urethra
It is the end of the penis.
Seminal vesicles
Vas Deferens
Scrotum
Glans
It is a tube that connects the testicles to the seminal vesicles, the prostate and the urethra.
vas deferens
fallopian tubes
foreskin
They are two glands that produce a liquid which will become a part of the semen.
Testicles
Seminal vesicles
Vas deferens
A gland that produces a white liquid which makes up the semen.
Urethra
Ejaculation
Testicles
Prostate
A tube from the bladder, through the prostate and out the penis.
urethra
vas deferens
fallopian tubes
seminal vesicles
It is skin that covers the end of the penis.
Foreskin
Scrotum
Testicles
Glans
It is the name we use to describe the end of the penis.
Foreskin
Scrotum
Testicles
Glans
It is a new cell that is formed when a sperm cell fertilizes an egg cell.
gamete
fetus
zygote
embryo
The process of an egg cell joining with a sperm cell in the fallopian tubes.
fertilization
pregnancy
birth
The process of the development of a fetus inside the uterus, the period of time between the fertilization of an egg cell to the time of birth.
fertilization
pregnancy
birth
The process by which a fetus is expelled from the uterus.
fertilization
pregnancy
birth
The act in which a man deposits sperm cells in a woman's reproductive organs.
Asexual reproduction
Sex characteristics
Sexual intercourse
Puberty
It is the final stage of development before a human being is born.
gamete
fetus
zygote
embryo
It is the stage of development between a zygote and a fetus. It is a group of cells that has multiplied many times and attaches itself the the wall of the uterus.
gamete
fetus
zygote
embryo
It is an organ that develops in the uterus. It provides the fetus with blood and oxygen.
Amniotic sac
Amniotic fluid
Placenta
Vaginal canal
It is an organ that develops in the uterus. It is a thin bag which holds a fluid that protects the fetus.
Amniotic sac
Amniotic fluid
Placenta
Vaginal canal
It is a liquid in the amniotic sac. It protects and supports the fetus.
Amniotic sac
Amniotic fluid
Placenta
Vaginal canal
It connects the fetus to the placenta.
The amniotic sac
The umbilical canal
The umbilical cord
The amniotic fluid
It is the place where fertilization takes place.
In the penis.
In the uterus.
In the ovaries.
During sexual intercourse.
In the fallopian tubes.
It is the number of sperm cells that can fertilize a single (one) egg cell.
One
Two
Hundreds
Thousands
Millons
The placenta provides the fetus with nutrients and oxygen from the mother's blood.
Pregnancy
Fertilizatin
Birth
The walls of the uterus contract and the vaginal canal gets wider so that the fetus can be expelled.
Pregnancy
Fertilizatin
Birth
The embryo becomes a zygote, travels from the fallopian tubes to the uterus and attaches itself to a wall of the uterus.
Pregnancy
Fertilizatin
Birth
They are medical advances.
Caesarean section
Seminal vesicles
Amniocentesis
Ultrasound scan
In-vitro fertilization
It is used to check the development of the fetus.
Caesarean section
In-vitro fertilization
Amniocentesis
Ultrasound scan
It is used to help people who have problems having a baby or have difficulties getting pregnant.
Caesarean section
In-vitro fertilization
Amniocentesis
Ultrasound scan
It is an alternative to natural birth through the vagina. The fetus is extracted through an opening in the abdomen and the wall of the uterus.
Caesarean section
In-vitro fertilization
Amniocentesis
Ultrasound scan
A procedure used to detect abnormalities (problems) in a fetus. A small amount of liquid is extracted and analyzed to detect abnormalities.
Caesarean section
In-vitro fertilization
Amniocentesis
Ultrasound scan
They are two fluids a doctor analyzes during pregnancy.
Water samples
Blood samples
Saliva samples
Urine samples
Choose the correct order for the stages of life.
birth - adulthood - childhood - adolescence - infancy - old age
infancy - birth - childhood - adolescence - adulthood - old age
birth - infancy - childhood - adolescence - adulthood - old age
birth - infancy - adolescence - childhood - adulthood - old age
All living things contain genes, which are found in the _?_ .
cytoplasm
nucleus
membrane
Genes are made up of a natural substance called _?_ .
NRA
NBA
DNA
AIDS
Our genes form 23 pairs of structures called _?_ .
chromosomes
biosomes
autosomes
When we receive our genes from our parents, it is called _?_ .
reception
inheritance
genetics
Your parents, grandparents and great-grandparents are your _?_ .
siblings
descendents
ancestors
Breasts develop
During puberty in women.
During puberty in men.
During puberty in both women and men.
Menstrustion
During puberty in women.
During puberty in men.
During puberty in both women and men.
Voice gets deeper.
During puberty in women.
During puberty in men.
During puberty in both women and men.
Scrotum get larger.
During puberty in women.
During puberty in men.
During puberty in both women and men.
Skin and hair becomes more oily.
During puberty in women.
During puberty in men.
During puberty in both women and men.
Pubic hair grows.
During puberty in women.
During puberty in men.
During puberty in both women and men.
Spots (acne/zits) appear.
During puberty in women.
During puberty in men.
During puberty in both women and men.
Underarm hair grows.
During puberty in women.
During puberty in men.
During puberty in both women and men.
Choose the correct order for the stages of preagnancy.
sperm cell fertilizes egg cell - embryo - zygote - fetus - baby
sperm cell fertilizes egg cell - zygote - embryo - fetus - baby
sperm cell fertilizes egg cell - fetus - embryo - zygote - baby
Totally dependent on parents. Senses develop. Learn to recognize surroundings.
During infancy.
During childhood.
During adolescence.
During adulthood.
During old age.
Some independence. Learn how to read and write. Reproductive system starts to change.
During infancy.
During childhood.
During adolescence.
During adulthood.
During old age.
Almost totally independent. Need parents for financial and emotional support. Characteristics of gender differences between men and women appear.
During infancy.
During childhood.
During adolescence.
During adulthood.
During old age.
Reach full mental, physical and emotional development. Gain skills and knowledge and assume new responsibilities. Physically and emotionally ready to have children.
During infancy.
During childhood.
During adolescence.
During adulthood.
During old age.
Body works more slowly. Some need help, others are active and happy. Reproductive system stops working.
During infancy.
During childhood.
During adolescence.
During adulthood.
During old age.
