Osmoregulation is a major function of kidneys and ( ) in fishes.
A: skin
B: rectal glands
C: hepatic cecae
D: gills
E: fins
A: skin
B: rectal glands
C: hepatic cecae
D: gills
E: fins
举一反三
- The functional excretory units in the kidneys of fishes are ( ). A: flame bulbs B: nephridia C: malpighian tubules D: green glands E: nephrons
- 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
- Resident flora is commonly found in the A: Liver B: Urethra C: Kidneys D: Salivary glands E: Gall bladder
- The major nitrogenous waste of bony fishes is ( ). A: ammonia B: urea C: uric acid D: guanine E: creatine