The small cell extensions that beat to create an up-ward current are called microvilli.
<h3>What are microvilli?</h3>
Microvilli are small extensions which are found on the surface of the alveoli of the lungs.
The microvilli play an important role in the lungs as the help to remove particles and mucus that may obstruct the lungs as a result of the upward current they create in the lungs from their beating motion.
Therefore, the paralyzed small cell extensions that beat to create an up-ward current are called microvilli.
Learn more about lung microvilli at: brainly.com/question/12993303
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Answer:
The precaution to take while observing Rhizopus under microscope is wear hand glovers as one must not touch the mould with bare hands, and if you do so, wash hands thoroughly afterwards. If anyone is having allergies like asthma, then one must keep away from the mould.
Explanation:
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