Advertisements
Advertisements
Question
Which of the following is not an involuntary action?
(a) vomiting
(b) chewing
(c) heart beat
(d) salivation
Advertisements
Solution
(b) chewing
Chewing is a voluntary action, while actions like vomiting, heart beat and salivation are involuntary.
APPEARS IN
RELATED QUESTIONS
What is the role of the brain in reflex action?
The diagram given below shows the internal structure of a spinal cord depicting a phenomenon. Study the diagram and answer the questions:
1) Name the phenomenon that is depicted in the diagram. Define the phenomenon.
2) Give the technical term for the point of contact between the two nerve cells.
3) Name the parts numbered 1, 2 and 3.
4) How does the arrangement of neurons in the spinal cord differ from that of the brain?
5) Mention two ways by which the spinal cord is protected in our body.
If we happen to touch a hot object unknowingly, we immediately pull back our hand. What is this type of action known as?
Name two parts of the body which contain receptors of chemical stimuli.
Give the functions of medulla.
Which of the following cannot be considered a receptor?
(a) ear
(b) nose
(c) muscle
(d) eye
Differentiate between natural reflex and conditioned reflex. Give examples to illustrate your answer.
Define voluntary and reflex actions. Give examples of each.
What is the difference between reflex action and voluntary action?
List in tabular form three distinguishing features between cerebrum and cerebellum.
Reflex action is controlled by the
Explain the following term :
Conditioned reflex
State whether the following is simple reflex, conditioned reflex or neither of the two.
Knitting without looking
State whether the following is
Blinking
State whether the following is
Cleaning
Complete the following sentence with appropriate Word
The control of reflex action is through:
The reflex arc which is made up of one sensory and one motor neuron is ______
Reflex actions are mediated through ____________.
Categorise the following under stimulus and response.
Seeing a green light turning into red at a road crossing before applying the brakes.
Categorise the following under stimulus and response.
Pain in the eye if something falls into it.
