Answer:
<em>o</em><em>i</em><em> </em><em>drugs</em><em> </em>
Explanation:
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Answer:
(I) Earthworms digestive track is straight and simple. cockroach is curved and more developed. (ii) Earthworm absorb oxygen passively through the moist skin while the cockroach takes gas diffusion place through their spircle .
Drastic change in pH or temperature because the enzyme reaction may become denatured.
The part of the peripheral nervous system (PNS) neuroglia that form the myelin sheaths around larger nerve fibers in the PNS would be the Schwann cells. The most important function is to myelinate the axons found in the PNS. Myelin aids in the increase of the saltatory conduction of a neuron.
