A: flame bulbs
B: nephridia
C: malpighian tubules
D: green glands
E: nephrons
举一反三
- Which of the following are the excretory organs of insect? A: Malpighian tubules B: integument C: digestive tract D: tracheal system
- Resident flora is commonly found in the A: Liver B: Urethra C: Kidneys D: Salivary glands E: Gall bladder
- Osmoregulation is a major function of kidneys and ( ) in fishes. A: skin B: rectal glands C: hepatic cecae D: gills E: fins
- Membrane proteins are the functional units of cell membrane.
- The efferent ductules of testis empty into the() . A: rete testis B: epididymis C: ductus deferens D: straight tubules E: seminiferous tubules
内容
- 0
Which of the following glands belong to pure serous glands? A: Submandibular glands B: Parotid glands C: Sublingual glands D: Adrenal glands
- 1
All of the following are endocrine glands EXCEPT____. A: adrenal glands B: sebaceous glands(皮脂腺) C: pineal glands D: pituitary glands
- 2
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
- 3
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
- 4
The structure of the testis does not include A: White film B: Straight seminiferous tubules C: Seminiferous tubules D: output tubule