Living and growing Flashcards
Name the human male sex cell
Sperm
Where are sperm made?
Testes
Name the human female sex cell
Ovum or egg
Where are the eggs made in a human?
Ovary
Name the plant male sex cell
Pollen
Where is pollen made?
Anther or stamen
Name the plant female sex cell
Ovule or egg
Where is the plant egg made?
Ovary
What does fertilisation mean?
One sperm cell enters the egg and the nuclei of both cells join together
Name the parts of the female reproductive system the sperm have to swim through to reach the egg.
Vagina, cervix, uterus, oviduct (fallopian tube)
How long is an average menstrual cycle?
28 days
Where does fertilisation take place in humans
Oviduct (fallopian tube)
How does a developing foetus get the oxygen and food it needs?
Placenta and umbilical cord
How does the baby get pushed out of the mothers body?
The uterus muscles contract
What is the function of the nucleus?
Controls the activity of the cell
What is made in the chloroplasts?
Sugar or glucose
What happens in the cytoplasm?
Chemical reactions
Which type of cell has a cell wall?
Plant cell
What is the function (job) of the membrane?
Controls which chemicals can enter and leave the cell
Name 3 structures found in plant cells that are not in animal cells
Chloroplasts, cell wall, vacuole
Ciliated cells have hairs on their surface. where are these cells found?
Oviduct - move the egg to the uterus
Windpipe - moves the mucus made in the windpipe
What is the function (job) of a red blood cell?
Carries oxygen round the body
On which day of the menstrual cycle is the egg released?
Day 14
What happens on day 1 of the menstrual cycle
Period starts or menstruation
Give two ways in pollen is transferred from one flower to another
Wind or insects
Insect pollinated flowers make nectar. Why?
The nectar is a sugary liquid which the bees feed on
Which type of flower produces the most pollen
Wind pollinated - it is less likely that the pollen will land on the stigma
Which type of flower has bright colourful petals?
Insect pollinated flowers
Give three ways in which seeds can be spread (dispersed).
Wind, animals, water, self dispersed
Name the structure that collects the pollen from the bee or wind.
Stigma
