Question

What is a duct ??What is the difference between a duct gland and a ductless gland??

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Answer 1

Duct is an often enclosed passage or channel for conveying a substance, especially a liquid or gas. 

Answer. * Exocrine glands are duct glands and Endocrine glands are ductless glands.

*Endocrine glands are ductless glands which secrete hormones. Hormones are chemical messengers secreted by endocrine glands directly into the blood. These regulate the activity of a target organ. Exocrine glands are the glands which possess ducts to send their secretions to the target organs. Exocrine glands are not part of the endocrine system.

*Endocrine responses are slow because enzymes must travel through the blood to reach their target organ. The duration of the response is long because the enzyme must be filtered out of the blood by the kidneys. Exocrine responses are immediate as the secretions of exocrine glands are poured into the target organs.

*Examples of endocrine glands are Pituitary gland, Hypothalamus, Thyroid gland,  Parathyroid glands, Adrenal glands, Thymus gland, Gonads etc. Examples of exocrine glands are Liver, Pancreas, salivary glands etc.

Answer 2

hey mate here is your answer
refer to the attachment!
Hope this helps you !