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Use the drop-down menus to identify the terms described below.

a group of cells that secretes substances into the blood or directly into an organ

a substance produced by cells that helps specific groups of cells to perform specific functions a channel or tube that conveys a substance

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BioWizard

Endocrine gland - a group of cells that secretes substances into the blood or directly into an organ. Differ from exocrine glands, endocrine glands have no ducts and secrete products (hormones) directly into blood.  

Hormone - a substance produced by cells that helps specific groups of cells to perform specific functions. It is a product of endocrine gland which functions as chemical messengers to stimulate other cells.  

Duct – a channel or tube that conveys a substance.  It is part of the exocrine glands (such as salivary glands) which makes contact with surface .


The smallest fundamental for a living organism that is crucial for functioning and the structural building is a cell. They either directly contribute or release some chemicals that are used for sending and receiving messages.

The correct terms are endocrine glands, hormones and duct.

The endocrine system and the parts can be explained as:

  • The system that releases the chemicals and substances in the blood or organs for sending messages to the body is called endocrine glands, they lack ducts and discharges hormones directly into the bloodstreams.

  • The glands produce and release a chemical called hormones to perform certain specific functions and stimulate cells and tissue of the body.

  • The channel or the tubular system through which the chemical is passed and transported for actions and stimuli present in the exocrine system are called ducts.

Therefore, the correct dropdowns are endocrine glands, hormones and ducts.

Learn more about the exocrine and endocrine systems here:

https://brainly.com/question/11222803

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