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1 Name the parts of the cell
A
C
B
Nucleus
Cytoplasm
Cell membrane
answer
2. Give the function of the parts of the cell?
Control cell’s activities
Control entry and exit to cell
Site of chemical reactions
answer
Structure
(part of cell)
Function
(what it does)
Nucleus
Cell membrane
Cytoplasm
3. What type of cell is this?How is it specialised?
answer
Blood cell
No nucleus
large surface area for gas exchange
4. What type of cell is this?How is it specialised?
answer
Neuron (Nerve cell)
Long tail to carry messages
5. What is the male sex cell called?
sperm
answer
6. What is the female sex cell called?
OVA (egg)
answer
7. Which structure in the nucleus contains the genes?
Chromosome
answer
8. Label this diagram and explain their function?
Head region:
Mainly nucleus
Small food store
Tail:
Enables sperm to swim
answer
9. How does the size of the ova compare to the sperm?
The egg is much larger
answer
10. Which sex cell can move on its own?
Sperm
(OVA cannot move on their own)
answer
SC/ FM 10
11. Label the diagram.
Sperm duct .
answer
TESTES – site of sperm production
URETHRA –urine and seminal fluid exit via here
PENIS
answer
12. Label the diagram?
OVIDUCT: CILIA TRANSPORT EGG TO UTERUS
answer
OVARY: RELEASES EGGUTERUS:
FERTILISED EGG IMPLANTS IN UTERUS WALL
13. Where does fertilisation take place?
answer
in the oviduct
14. Where does the fertilised egg implant ?
answer
In the lining of the uterus
15. Label the diagram and give their
functions? answer
Placenta: exchange of -
waste and CO2 from embryo’s blood supply to mother.
Glucose and oxygen from mothers blood supply to embryo
Amniotic sac:
Filled with amnion fluid. Protects embryo.
Umbilical cord: To carry substances between the placenta and the embryo
16.16. Describe the role of the placenta in the womb?Describe the role of the placenta in the womb?
answer
Allows exchange of substances between the mothers blood supply and the embryos blood supply.
Large surface area allows easy diffusion.
The blood supplies DO NOT MIX
17 Label the parts of the microscope
eyepiece
Stage
Mirror
answer
18 Label the parts of the microscope
Focusing knob
Objective lens
answer
