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Hormone Classification and Signaling

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Questions and Answers

What is the main function of the endocrine system?

To regulate the physiological functions in the body (correct)

To provide point-to-point rapid coordination among organs

To innervate all cells of the body

To provide a temporary coordination among organs

What is the characteristic feature of endocrine glands?

They have ducts

They lack ducts (correct)

They produce nutrients

They are found only in vertebrates

What is the difference between invertebrates and vertebrates in terms of endocrine systems?

Invertebrates possess very simple endocrine systems with few hormones, whereas vertebrates have a complex endocrine system with many hormones (correct)

Invertebrates have a complex endocrine system with few hormones, whereas vertebrates have a simple endocrine system with many hormones

Invertebrates have a complex endocrine system with many hormones, whereas vertebrates have a simple endocrine system with few hormones

Invertebrates have no endocrine system, whereas vertebrates have a complex endocrine system

What is the role of the neural system in coordination and integration?

To provide point-to-point rapid coordination among organs Signup and view all the answers

What is the new definition of hormones?

Non-nutrient chemicals which act as intercellular messengers Signup and view all the answers

What is the duration of neural coordination?

Short-lived Signup and view all the answers

What is the relationship between the neural system and the endocrine system?

They jointly coordinate and regulate the physiological functions in the body Signup and view all the answers

What is the role of hormones in the body?

To act as intercellular messengers Signup and view all the answers

What is the characteristic feature of hormones?

They are non-nutrient chemicals produced in trace amounts Signup and view all the answers

What is the function of the endocrine glands?

To produce hormones Signup and view all the answers