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प्रश्न
What is the name of tiny air-sacs at the end of smallest bronchioles in the lungs?
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उत्तर
Alveoli are the tiny air-sacs at the end of smallest bronchioles in the lungs.
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संबंधित प्रश्न
State whether the statement is true or false:
Aquatic animals breathe at a slower rate than the terrestrial animals.
Carbon dioxide enters into the leaves through tiny pores present on the surface of the leaf called _________.
(a) chlorophyll
(b) chloroplast
(c) stomata
(d) epidermis
How are oxygen and carbon dioxide transported in human beings?
During heavy exercise, we get cramps in the legs due to the accumulation of ______.
State whether the following statement is true or false:
Fish and earthworm exchange gases during respiration in the same way.
Describe the process of respiration in the following part of a plant:
Root
What is meant by aquatic animals and terrestrial animals?
Why is diffusion insufficient to meet the oxygen requirements of large multicellular organisms like humans?
What is the name of tissues which transport:
water and minerals in a plant?
Answer this question.
Name the organ of respiration in fishes.
Answer the following in detail.
How is the process of cellular respiration different from breathing?
Answer the following in detail.
Explain the process of Cellular Respiration.
Which chemical compound inside a cell can be termed "Currency of Energy"?
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:
Intercostal muscles
List the organs of Human respiratory system.
The partial pressure of oxygen of blood in pulmonary capillaries is i ______ mrnHg while in alveolar air it is ii ______ mmHg.
The Figure shown below represents an activity to prove the requirements for photosynthesis. During this activity, two healthy potted plants were kept in the dark for 72 hours. After 72 hours, KOH is kept in the watch glass in setup X and not in setup Y. Both these setups are air tight and have been kept in light for 6 hours. Then, Iodine Test is performed with one leaf from each of the two plants X and Y.
The function of KOH is to absorb ______.
Which of the following statement(s) is (are) true about respiration?
- During inhalation, ribs move inward and the diaphragm is raised
- In the alveoli, exchange of gases takes place i.e., oxygen from alveolar air diffuses into blood and carbon dioxide from the blood into the alveolar air
- Haemoglobin has a greater affinity for carbon dioxide than oxygen
- Alveoli increase surface area for the exchange of gases
Mark the following statement as True or False. Correct the false statement.
Exhaled air has more percentage of CO2 than inhaled air
