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प्रश्न
Veins and arteries carry blood. Which of these carry blood back to the heart?
उत्तर
Veins carry blood back to the heart.
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संबंधित प्रश्न
Cellular respiration takes place in
(a) Lysosome
(b) Chlorophyll
(c) Mitochondria
(d) Ribosome
What are the different ways in which glucose is oxidized to provide energy in various organisms?
How are oxygen and carbon dioxide transported in human beings?
The breakdown of pyruvate to give carbon dioxide, water, and energy takes place in ______.
Name the pores in a leaf through which respiratory exchange of gases takes place.
What is the name of the extensions of the epidermal cells of a root which help in respiration?
Describe the process of respiration in the following part of a plant:
Leaves
From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration?
What is the function of the respiratory system?
Describe the exchange of gases which takes place in the leaves of a plant
(a) during daytime, and (b) at night.
One of the following animals does not use tracheae as the respiratory organs. This animal is:
During marathon, we sometimes get painful contractions of leg muscles due to the accumulation of one of the following in leg muscles. This is:
Consider the following chemical reactions which take place in different organisms/tissues under various conditions:
(i) Glucose → Respiration ">Ethanol + Carbon dioxide + Energy
(ii) Glucose→ Respiration ">Carbon dioxide + Water + Energy
(iii) Glucose → Respiration "> Lactic acid + Energy
(a) Name one organism which respires according to equation (i) above.
(b) Name one organism which respires according to equation (ii) above.
(c) When and where does respiration represented by equation (iii) above take place?
(d) Which equation/equations represent aerobic respiration?
(e) Which equation/equations represent anaerobic respiration?
(f) Which of the above reactions produces the maximum amount of energy?
With which human organ system (or human systems) is alveoli associated?
Answer the following in one word.
What is the muscular sheet below the lungs called?
State one function of the following:
Mitochondria
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 enengy
Name one tissue in which this reaction occur.
Visit a doctor. Find out about artificial respiration. Ask the doctor:
- When does a person need artificial respiration?
- Does the person need to be kept on artificial respiration temporarily or permanently?
- From where can the person get supply of oxygen for artificial respiration?
