The functional excretory units in the kidneys of fishes are ( ).
A: flame bulbs
B: nephridia
C: malpighian tubules
D: green glands
E: nephrons
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