Question

which is a cell or a group of cells or an organ that secretes a substance​

Answer 1

Explanation:

The endocrine system consists of cells, tissues, and organs that secrete hormones critical to homeostasis. The body coordinates its functions through two major types of communication: neural and endocrine. Neural communication includes both electrical and chemical signaling between neurons and target cells.

Answer 2

Answer:

Gland or more specifically Endocrine Glands:)

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