Advertisements
Advertisements
प्रश्न
The involuntary actions in the body are controlled by :
(a) medulla in forebrain
(b)medulla in hindbrain
(c) medulla in spinal cord
(d) medulla in midbrain
Advertisements
उत्तर
(b) medulla in the hindbrain
The medulla controls various involuntary actions such as heart beat, breathing, blood pressure and peristaltic movement in the body.
APPEARS IN
संबंधित प्रश्न
What is the role of the brain in reflex action?
How are involuntary actions and reflex actions different from each other?
State one function each of cerebellum and pons.
State whether coughing is a voluntary action or reflex action.
What are the various sense organs in our body?
What is spinal cord? What is its main function?
Which of the following helps in maintaining posture and balance of the human body?
The part of brain which controls the involuntary action such as heart beat, breathing, blood pressure, etc. is :
(a) pons
(b) medulla
(c) cerebrum
(d) cerebellum
One of the following gives the correct sequence of the components in a reflex arc. This is:
The olfactory receptors in humans are located in :
(a) eyes
(b) tongue
(c) ears
(d) nose
P is a cell (or group of cells) in the human body which is sensitive to a particular type of stimulus and conveys the messages to CNS through nerves Q. On the other hand, R is a part of the human body which can respond to a stimulus according to the instructions sent from the CNS through nerves S.
(a) What is P? Name five organs which contain cells (or group of cells) like P.
(b) Name the nerves Q.
(c) What is R? Give two examples of R.
(d) Name nerves S.
(e) How do messages travel through the nerves Q and S?
what do we refer to in the nervous system when we say:
Natural and conditioned …………………
What is a reflex action?
State whether the following is
The sudden application of brakes without thinking
What type of reflex is the following?
Knitting and swimming
What type of reflex is the following?
Blinking of the eye
Give Technical Term:
Response to a stimulus without the intervention of the will of an animal.
Categorise the following under stimulus and response.
Withdrawal of hand on touching a hot plate
Categorise the following under stimulus and response.
Pain in the eye if something falls into it.
