Advertisements
Advertisements
प्रश्न
When you smell a favourite food your mouth begins to water (that is, you secrete saliva). Write down what is the example of the cells in your nasal passages which perceive the smell?
उत्तर
Olfactory receptors present in our nasal passage perceive the smell.
APPEARS IN
संबंधित प्रश्न
Which part of the brain maintains posture and equilibrium of the body?
What is the difference between a voluntary and an involuntary action? Which kind of action is digestion? Explain your choice.
A cell (or group of cells) in a sense organ which is sensitive to a particular type of stimulus is called :
(a) interceptor
(b) effector
(c) receptor
(d) acceptor
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?
Define voluntary and reflex actions. Give examples of each.
State whether the following is
Cleaning
Give Reason:
The hand automatically shows the direction to turn a cycle without thinking.
Which of the following is not an involuntary action?
How is the mode of action in beating of the heart different from reflex actions? Give four examples.
Categorise the following under stimulus and response.
Seeing a green light turning into red at a road crossing before applying the brakes.
