Answer:
Organ systems.
Explanation:
Cells form tissues, tissues form organs, organs form organ systems, and organ systems form organisms.
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It is b graduate.
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Blood pressure<span>. ... If these nerves do not detect stretching, the body determines perceives low </span>blood pressure<span> as a dangerous </span>stimulus<span> and signals are not sent, preventing the inhibition CNS action; </span>blood<span> vessels constrict and the heart rate increases, causing an increase in </span>blood pressure<span> in the body.
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Answer:
The electron microscope
Explanation:
<em>Fimbriae are very tiny appendages of about 3 to 10 nm in diameter found on the surface of most Gram-negative and some Gram-positive bacterial cells. They are mostly utilized as a structure to adhere to one another, to other organisms, or any other surfaces.</em>
Fimbriae generally contain adhesins, a virulence factor that facilitates adhesion to surfaces and <u>due to their tiny size, they can only be viewed using the electron microscope</u> - the scanning electron microscope to be precise.