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Where do chemical signals come from ?

User Kabilan S
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3 votes

Answer:

A sending cell produces chemical signals.

Step-by-step explanation:

User Mvasyliv
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3 votes

Answer:

The nervous system at times utilizes chemical signals that are produced by an organ distant from the one being affected. For example, the hypothalamus produces releasing hormones that travel in a portal system to the anterior pituitary gland. Many chemical signals act locally-that is, from cell to cell.

Step-by-step explanation:

User Altaula
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