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CELLS
(SEL) - Coggle Diagram
CELLS
(SEL)
DEFINITON
a cells is the basic unit of live
Most cells are very very small, So, we have to use a Microscope to help us observe cells
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CELLS IN THE HUMAN BODY
- Muscle cells
Function: Contract & Relaxed to allow us to move
- Skin cells
Function: Form a barrier that prevent harmful subtances from entering our body
- Reproductive cells
Functon: To form new organism
- Nerve cells
Functon: To carries massage between oor brain and other part of the body. Our brain control the activities of our body
- Red blood cells
Function: To transport oxygen around our body
- White blood cells
Function: To destroy germs that get into our body. Help our body against diseases
- Bone cells
Function: Give our body shape and allow us to move
CELLS IN PLANTS
LEAVES
Mesophyll Cells
Contain structures called chloroplast. Chloroplast contain CHLOROPHYLL, A green pigment to traps light from the sun
Guard Cells
A pair of guard cells surrround a tiny opening called Stomata
Stomata allow GASES TO MOVE INTO & OUT OF LEAVES
Guard cells control the size of stomata
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CELLS NEED ENERGY
Cells carry out LIFE PROCESSESS
They need energy to perform their function.
Energy comes from food we eat