It can be inferred from the passage that:
A.Jellyfish and starfish do not have brain.
B.The number of neurons in the cortex is about 15 – 33 billion, irrespective of age and gender.
C.The sponge has brain but not nervous system.
D.Neurons communicate with one another by targeting themselves to specific recipient cells.
A.Jellyfish and starfish do not have brain.
B.The number of neurons in the cortex is about 15 – 33 billion, irrespective of age and gender.
C.The sponge has brain but not nervous system.
D.Neurons communicate with one another by targeting themselves to specific recipient cells.
Loga
Hóa Học lớp 12
