Question

Qu7. Who discovered cell and how?

Qu8. How does neuron look like?

Qu9. Write the difference between prokaryotic and Eukaryotic cells?

Qu10. Which acid present in our stomach?

Qu11. How is the small intestine designed to absorb digested food?​

Answer 1

Answer:

1) Interested in learning more about the microscopic world, scientist Robert Hooke improved the design of the existing compound microscope in 1665. His microscope used three lenses and a stage light, which illuminated and enlarged the specimens.

2) A neuron consists of a cell body witha nucleus and cytoplasm. It has two important extensions known as the axon and dendrites. ... Dendrites, on the other hand, are thread-like extensions of cell body that receive nerve impulses

3)Comparing prokaryotes and eukaryotes

The primary distinction between these two types of organisms is that eukaryotic cells have a membrane-bound nucleus and prokaryotic cells do not. The nucleus is where eukaryotes store their genetic information. ... Prokaryotes, on the other hand, have no membrane-bound organelles.

4)The hydrochloric acid in the gastric juice breaks down the food and the digestive enzymes split up the proteins

5)The small intestine has millions of tiny finger-like projections called villi. These villi increase the surface area for more efficient food absorption. Within these villi, many blood vessels are present that absorb the digested food and carry it to the bloodstream

Explanation:

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