Neural System

Two neurons, $A$ and $B$, synapse onto a third neuron, $C$. If neurotransmitter from A opens ligand-gated channels permeable to ${\mathrm{Na}}^{+}$ and ${\mathrm{K}}^{+}$ and neurotransmitter from $\mathrm{B}$ opens ligand-gated ${\mathrm{Cl}}^{-}$ channels, which of the following statements is true?

Which phylum of kingdom Animalia do not have a nervous system. (Write in the format "Phylum ____")

Mark the correct statement.

Give two points in which the neural system of vertebrates differ from the invertebrates

Invertebrates possess a dorsal nerve cord.

Body coordination is maintained by:

The supporting and nutritive cells found in the brain are ependymal or astrocytes?

Body coordination is maintained by:

Name the part of the brain that links neural system to endocrine system.

Which is the longest cell?

What is the unit of nervous system?

Glial cells that are phagocytic within the central nervous system are

Four healthy friends in their thirties had an accident and got injuried. It resulted in damage and death of a few cells in their body. Which of the cells are least likely to be replaced by new cells?

Which of the following is not an effect produced by parasympathetic stimulation?

The_____ and the endocrine system jointly coordinate and regulate the physiological functions in the body. Fill in the blank with appropriate option.

Scientists pin-pointed the location of colour-processing perception centres in the human visual cortex by a method named

In which animal nerve cell is present but the brain is absent?