How do ductless endocrine glands affect distant organs in the body?
Answer and explanation
Correct answer: They release hormones directly into the blood
Endocrine glands are called ductless because they do not use tubes to carry their secretions. Instead, they release hormones into the surrounding tissue fluid and then into the bloodstream. Blood transports these chemical messengers throughout the body, but only target cells with suitable receptors respond strongly. Thus option A explains how a distant organ is affected; the other options describe no endocrine mechanism.
Frequently asked questions
What is the correct answer to this question?
They release hormones directly into the blood
Why is this the correct answer?
Endocrine glands are called ductless because they do not use tubes to carry their secretions. Instead, they release hormones into the surrounding tissue fluid and then into the bloodstream. Blood transports these chemical messengers throughout the body, but only target cells with suitable receptors respond strongly. Thus option A explains how a distant organ is affected; the other options describe no endocrine mechanism.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: Control and Coordination. Topic: Endocrine system.
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