Advertisements
Advertisements
Question
Give the functions of medulla.
Advertisements
Solution
The medulla controls various involuntary actions such as the heart beat, breathing, blood pressure and peristaltic movements of the alimentary canal.
APPEARS IN
RELATED QUESTIONS
State whether coughing is a voluntary action or reflex action.
Fill in the following blanks with suitable words :
Our.............system allows us to react to our surroundings. Information from receptors passes along...........neurons to our brain. Our brain sends impulses along..........neurons to our muscles.
Explain the difference between of the following pair of terms :
cerebrum and cerebellum
Which of the following cannot be considered a receptor?
(a) ear
(b) nose
(c) muscle
(d) eye
Which of the following helps in maintaining posture and balance of the human body?
The part of brain which takes part in regulating respiration in the human body is :
(a) medulla
(b) pons
(c) cerebellum
(d) cerebrum
Your are driving your bicycle at a fast speed. Suddenly, a small boy comes in front of your cycle and, without wasting any time in thinking, you immediately apply the brakes and accident is avoided. What name is given to such an action?
Differentiate between natural reflex and conditioned reflex. Give examples to illustrate your answer.
List in tabular form two differences between reflex action and walking.
State whether the following is simple reflex, conditioned reflex or neither of the two.
Blushing
State whether the following is
Cleaning
What type of reflex is the following?
Knitting and swimming
What type of reflex is the following?
Blinking of the eye
What will you do if someone pricks your hand with a needle? Elucidate the pathway of response with a neat labelled diagram.
Which sensory organ is involved in vertigo (sensation of oneself or objects spinning around)?
How is the mode of action in beating of the heart different from reflex actions? Give four examples.
What kind of reflex is cycling?
Categorise the following under stimulus and response.
Withdrawal of hand on touching a hot plate
