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Blood is a combination of plasma and cells that circulate through the entire body.

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Explanation

Anelida is a group commonly referred to as segmented worms, and they are found worldwide from the deepest marine sediments to the soils in our city parks and yards.

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Adrenocorticotropic hormone is a hormone produced in the anterior, or front, pituitary gland in the brain.

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Birds are a group of warm-blooded vertebrates

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water: H2O

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Neuroendocrine cells are cells that receive neuronal input  and, as a consequence of this input, release message molecules  into the blood.

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minimum 400 hz

Explanation

Autocrine signaling is a form of cell signaling in which a cell secretes a hormone or chemical messenger that binds to autocrine receptors on that same cell, leading to changes in the cell.

Explanation

It is a type of a close and long-term biological interaction between two different biological organisms, be it mutualistic, commensalistic, or parasitic.