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Tissues
What is the difference between voluntary and involuntary muscles. Give example of each.
Voluntary muscles are those which are directly under our control of our conscious will e.g., skeletal muscle. They work or move on our command.
Involuntary muscles are not directly under command of our will. We cannot stop contraction or restart contraction stomach, intestine or heart muscles. Example. Cardiac and smooth muscles.
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By which instrument you can see internal structure of onion peel cell?
Do different organisms have different types of basic building units ? Briefly explain.
To what the shape and size of cells are related to?
What constitute the basic building block of the cell?
Can you find out more names of some of the unicellular organisms and fungi, other than given in your book?
Name two single celled animals.
Draw diagram of onion peel as it is seen through microscope.
Draw labelled diagram of compound microscope.
Name three features which are found almost in every cell.
Which is the outer most covering of an animal cell?
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