Advertisements
Advertisements
Question
State one function of the following:
Intercostal muscles
Advertisements
Solution
The muscles help the inward and outward movement of ribs enlarging the chest cavity all around.
APPEARS IN
RELATED QUESTIONS
How are oxygen and carbon dioxide transported in human beings?
What are the differences between aerobic and anaerobic respiration? Name some organisms that use the anaerobic mode of respiration.
Which part of roots is involved in the exchange of respiratory gases?
Name the process by which plant parts like roots, stems, and leaves get oxygen required for respiration.
What is the other name of wind-pipe?
What organs are attached to the two bronchi?
In the lungs what substance is taken into the body?
Describe the process of respiration in the following part of a plant:
Stem
Which of the following is the correct sequence of air passage during inhalation?
(a) nostrils → larynx → pharynx → trachea → lungs
(b) nasal passage → trachea → pharynx → larynx → alveoli
(c) larynx → nostrils → pharynx → lungs
(d) nostrils → pharynx → larynx → trachea → alevoli
Lack of oxygen in muscles often leads to cramps in the legs of sprinters. This is due to the conversion of pyruvate to:
During the deficiency of oxygen in tissues of human beings, pyruvic acid is converted into lactic acid in:
The breathing and respiration in woody stem of a plant takes place through:
Which of the following is most likely to have a much higher breathing rate?
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.
Name the organ of respiration in fishes.
A student has set up "CO2 is released during respiration”. After about 1 hour he observes no change in the water level in the delivery tube. Write two possible resons for the failure of the experiment.
Choose the odd one out in each of the following groups of four items each:
Oxyhaemoglobin, Carbaminohaemoglobin, Hypoxia, Carboxyhaemoglobin
Respiration refers to ____________.
The major fraction of CO2 released during cellular respiration is transported by the blood to the lung capillaries ______
The partial pressure of oxygen of blood in pulmonary capillaries is i ______ mrnHg while in alveolar air it is ii ______ mmHg.
