____ is the study of the endocrine glands or hormones.
举一反三
- The endocrine system is made up of ———————————— A: the endocrine glands and the hormones they secrete. B: the endocrine glands
- The _____ system is the system of glands that produce hormones for the bloodstream, such as the pituitary or thyroid glands. A: exocrine B: endotoxin C: exotoxin D: endocrine
- About the endocrine glands, which one is incorrect? () A: Endocrine glands are ductless glands B: There are nine major endocrine glands and several other organs C: Based on the function, endocrine glands can be divided into two types D: Adrenal glands belongs to the mixed glands
- About the endocrine glands, which one is (())<br/>? () A: Endocrine glands are ductless glands B: There are nine major endocrine glands and several other organs C: Based on the function, endocrine glands can be divided into two types D: Adrenal glands belongs to the mixed glands
- Which one is NOT the characteristic of hormones? ( ) A: Hormone is a chemical substance secreted from endocrine glands or<br/>endocrine cells. B: Hormones are released directly into arteries and circulate in the<br/>blood throughout the body. C: Each hormone exerts specific effects on certain organs or tissues. D: Some hormones have many target organs. E: Some hormones have only one or a few target(s).