Which substance is produced by endocrine glands:
A: saliva
B: milk
C: stomach acid and digestive enzymes
D: insulin
A: saliva
B: milk
C: stomach acid and digestive enzymes
D: insulin
举一反三
- Milk always meets in the stomach a digestive juice
- 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
- stomach acid unfolds proteins, exposing them to digestive enzyme.
- The endocrine system is made up of ———————————— A: the endocrine glands and the hormones they secrete. B: the endocrine glands