Advertisements
Advertisements
Question
From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration?
Solution
Aquatic animals obtain the oxygen dissolved in water for breathing and respiration. Terrestrial animals obtain oxygen present in air for breathing and respiration.
APPEARS IN
RELATED QUESTIONS
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
Compare the functioning of alveoli in the lungs and nephrons in the kidneys with respect to their structure and functioning.
List the differences between aerobic and anaerobic respiration.
The exchange of respiratory gases in the cells of plants occurs by the process of _______________
(a) Osmosis
(b) Diffusion
(c) Glycolysis
(d) exhalation
Which part of roots is involved in the exchange of respiratory gases?
Name the pores in a leaf through which respiratory exchange of gases takes place.
Fill in the following blank with suitable word:
The organs of respiration in man are the _____________.
Explain why, it is dangerous to inhale air containing carbon monoxide.
Name the energy currency in the living organisms. When and where is it produced?
Which of the following increases in muscle cells when they are lacking in oxygen?
Veins and arteries carry blood. Which of these carry blood away from the heart?
Out of xylem and phloem, which one carries materials only upwards?
Differentiate between
External respiration and Internal respiration
Choose the odd one out in the following groups of four items each:
Trachea, Bronchus, Alveolus, Diaphragm
Name the body structure concerned with the given functional activity:
Provides actual diffusion of respiratory gases in the lungs.
Answer the following question.
In the experimental set up to show that "CO2 is given out during respiration", name the substance taken in the small test tube kept in the conical flask. State its function and the consequence of its use.
The partial pressure of oxygen of blood in pulmonary capillaries is i ______ mrnHg while in alveolar air it is ii ______ mmHg.
____________ is necessary for the respiration in plant.
Yeast is used in wine and beer industries because it respires
Visit a local doctor. Learn about the harmful effects of smoking. You can also collect material on this topic from other sources. You can seek help of your teacher or parents. Find out the percentage of people of your area who smoke. If you have a smoker in your family, confront him with the material that you have collected.
