Advertisements
Advertisements
Question
Differentiate between Voluntary and involuntary actions.
Solution
| Voluntary Action | Involuntary Action |
| 1. The actions which are under the control of our will, eg. Eating, walking. | 1. The actions, which are not under our control, eg. Breathing, Heartbeat. |
| 2. Controlled by the brain. | 2. Controlled by the spinal cord. |
| 3. Voluntary Action results in muscular action. | 3. Involuntary actions result in a muscular action or secretions of some glands. |
APPEARS IN
RELATED QUESTIONS
How do we detect the smell of an agarbatti (incense stick)?
What is the role of the brain in reflex action?
What are the various sense organs in our body?
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the gland which is stimulated to secrete saliva.
A cylindrical structure P in our body begins in continuation with medulla and extends downwards. It is enclosed in a bony cage Q and surrounded by membranes R. As many as x pairs of nerves arise from the structure P. The structure P is involved in the reflex actions of our body and conduction of nerve impulses to and from another organ S of our body with which it forms CNS.
(a) Name the structure P.
(b) Name (i) bony cage Q, and (ii) membranes R.
(c) How much is x?
(d) Name the organs S.
(e) What are the reflexes involving structure P only known as?
Complete the following statement by choosing the correct alternative from the choice given in bracker:
Reflex action is controlled by
(i) brain (ii) spinal cord
(iii) autonomic (iii) peripheral nervous system
State whether the following is simple reflex, conditioned reflex or neither of the two.
Knitting without looking
State whether the following is
Blinking
Mention, if the following statement is True or False
A reflex action is a spontaneous response to a stimulus.
