Advertisements
Advertisements
प्रश्न
State one function of the following:
Diaphragm
Advertisements
उत्तर
Diaphragm contributes to the enlargement of the chest cavity lengthwise.
APPEARS IN
संबंधित प्रश्न
Given below are the end products of different reactions involving glucose.

Write the reaction number in front of the following:
(i) Anaerobic reaction =
(ii) Reaction in the human muscles =
(iii) Aerobic respiration =
(iv) Reaction in the plant cells =
(v) Reaction in the liver
How are the lungs designed in human beings to maximize the area for exchange of gases?
The exchange of respiratory gases in the cells of plants occurs by the process of _______________
(a) Osmosis
(b) Diffusion
(c) Glycolysis
(d) exhalation
If a plant is releasing carbon dioxide and taking in oxygen during the day, does it mean that there is no photosynthesis occurring? Justify your answer.
Explain how, it would benefit deep sea divers if humans also had gills.
Give the main points of difference between respiration in plants and respiration in animals.
Which of the following is not produced during anaerobic respiration in unicellular fungus?
During the deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in:
In cockroaches, air enters the body through:
With which human organ system (or human systems) is alveoli associated?
Match the items in Column I with the ones most appropriate in Column II. Rewrite the matching pairs.
|
Column I |
Column II |
|
(a) Alveoli |
(i) where aerobic respiration takes place |
|
(b) Bronchioles |
(ii) lined with hair |
|
(c) Nasal Chamber |
(iii) diffusion of gases |
|
(d) Bronchi |
(iv) small air tubes |
|
(v) an inverted Y shaped tube |
|
|
(vi) a common passage for food and air |
Given below is an example of certain structure and its special functional activity:
"Kidney and excretion".
Fill in the blanks on a similar pattern.
Alveoli and _____________.
State one function of the following:
Pleural fluid
Differentiate between the following pairs on the basis of the aspect given in the brackets.
Tidal volume and Residual volume (Quantity of air)
List the organs of Human respiratory system.
term 'respiration' includes
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
Which of the following equations is the summary of photosynthesis?
Explain the three pathways of breakdown in living organisms.
Match the correct answers with the type of respiration and respiratory substances.
| Respiration | Types of Substrates |
| A. Floating respiration | I. Proteins |
| B. Cytoplasmic respiration | II. Glucose |
| C. Protoplasmic respiration | III. Carbohydrates and fats |
