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प्रश्न
Name the body structure concerned with the given functional activity:
Prevents food from entering the trachea during swallowing.
उत्तर
Epiglottis
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संबंधित प्रश्न
Given below is a square of letters in which are hidden different words related to respiration in organisms. These words may be present in any direction − upwards, downwards, or along the diagonals. Find the words for your respiratory system. Clues about those words are given below the square.
- The air tubes of insects
- Skeletal structures surrounding chest cavity
- Muscular floor of chest cavity
- Tiny pores on the surface of leaf
- Small openings on the sides of the body of an insect
- The respiratory organs of human beings
- The openings through which we inhale
- An anaerobic organism
- An organism with tracheal system
Trace the movement of oxygenated blood in the body.
Out of photosynthesis and respiration in plants, which process occurs:
(a) all the time?
(b) only at daytime?
Name an animal which depends on simple diffusion of gases for breathing.
Where does the blood absorb oxygen in the human body?
Fill in the following blank with suitable word:
The organs of respiration in man are the _____________.
What type of respiration takes place in human muscles during vigorous physical exercise? Give reason for your answer
Name the type of respiration in which the end product is:
C2H5OH and CO2
Give one example where such a respiration can occur.
Draw a labelled diagram of the human respiratory system.
Which of the following is not produced during anaerobic respiration in unicellular fungus?
The two organisms which breath only through their moist skin are:
In cockroaches, air enters the body through:
Some sugar solution is taken in a test-tube and a little of substance X in powder form is added to it. The mouth of test-tube is closed with a cork and allowed to stand for sometime. On opening the cork, a characteristic smell of substance Y is obtained and a gas Z is also observed to be formed. The gas Z extinguishes a burning matchstick.
(a) What could be (i) X, (ii) Y, and (iii) Z?
(b) What is the process of converting sugar into substance Y by the action of X known as?
(c) What type of respiration is exhibited by X in the above process?
Answer this question.
What are the holes on the sides of the body of insects called?
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Epiglottis and _____________.
Given below is an example of a certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Pleura and _____________.
State one function of the following:
Pleural fluid
Give Suitable Explanation for the Following :
Why do you shiver and why do your teeth chatter when it is very cold in winter?
Given below is an overall chemical reaction of a certain process:
C6H12O6 →LacticAcid+2ATP+Heat energy
Name the process.
Given below is an overall chemical reaction of a certain process:
C6H12O6→LacticAcid+2ATP+Heat energy
Is this reaction applicable to animals or to plants or to both animals and plants?
Rewrite the following statement by selecting the correct option.
During respiration, ____________ gas is given out.
Answer the following question.
How is O2 and CO2 transported in human beings?
Why is respiration essential for life?
Respiration refers to ____________.
Complete the analogy.
Transport of CO2 by plasma : 7% :: Transport of CO2 by bicarbonate ions: ____________.
What percent of oxygen is transported in a dissolved state by the plasma?
Mark the following statement as True or False. Correct the false statement.
Insects have spiracles on the lower surface of the body.
