Reflex Action

Q. Choose the correct sequence of the reflex action.

1. Receptor$\to$ Sensory neuron $\to$ Relay neuron$\to$ Motor neuron $\to$ Effector
2. Sensory neuron $\to$ Relay neuron$\to$ Receptor $\to$ Motor neuron $\to$ Effector
3. Effector $\to$ Sensory neuron $\to$ Relay neuron$\to$ Motor neuron $\to$ Receptor
4. Receptor$\to$ Relay neuron$\to$ Sensory neuron $\to$ Motor neuron $\to$ Effector

Q.

What is a bundle of neurons known as?

1. Nephron

2. Nerve

3. Capillaries

4. Axon

Q.

Question 5
What is the role of the brain in reflex action?

Q. Briefly explain reflex action in our body.

Q. Describe reflex action with the help of an example.

Q.

Our body carries out reflex actions without the control of brain. Which other part of the nervous system is responsible for this?

1. Cerebrum

2. Ganglions

3. Spinal cord

4. Nerves

Q. Briefly explain reflex action in our body.

Q.

How muscle tissues are dependent on nerve cells? [2 MARKS]