Nerve Cell
Adaptations and structure:
• These are ______________ ___________________ (long) cells.
• They have _____________ __________________ (dendrites) at both
ends_____ _________________ to other nerve cells.
• Nerve endings (synapses)_____________ _________________ to other
cells, nerves or muscle using _____________________
_____________________. They contain lots of _____________________ to
provide ____________________ to ______________ these transmitter
chemicals.
Function
• To _________ _____________ __________________ around your body.
Muscle Cells
Adaptations and structure:
• They contain ____________ ____________ that ________ over each other
making the muscle fibres __________.
• They contain ________ of _________________ to create the energy needed
for the contracting and relaxing.
• They can _________ ______________– a chemical that can be used to make
energy (in respiration).
Function:
• Muscle cells ____________ and __________, e.g some work in pairs to help
__________ the ___________ of our skeleton and others ________
_________ through our ______________ system.
Sperm Cell
Draw and label a sperm in the space above.
Adaptations and structure:
• Have a _________ __________ that whips from side to side to _________
the sperm __________.
• The middle section is _______ of ___________________, which transfer
__________ _______________ for the ___________ to work.
• At the head, there is an ______________ that stores ____________
_____________, these break down the outer layers of the egg.
• A ____________ _______________ to store genetic information.
Function
• To _______ the ____________ ____________ information (DNA) to the egg.
Questions
1. Which cell contains transmitter chemicals?
2. Mitochondria create energy during? R__________________
3. Which cell has a tail?
4. What does that tail do?
5. Muscle cells can contract and _____________?
6. Which part of the sperm contains digestive chemicals?
7. What is the biological term for nerve endings? S_______________
8. Which cell contains special proteins?
9. Which cell has a large nucleus containing a fathers DNA?
10. Describe the role of mitochondria in all these cells.