Advertisements
Advertisements
Question
During respiration exchange of gases take place in
Options
trachea and larynx
alveoli of lungs
alveoli and throat
throat and larynx
Solution
alveoli of lungs
Explanation -
The trachea and larynx offer a pathway for air to travel across. The Alveoli of the lungs are where gas exchange takes place. Oxygen diffuses into the bloodstream through alveoli, while carbon dioxide is expelled.
APPEARS IN
RELATED QUESTIONS
How are the alveoli designed to maximise the exchange of gases?
What would be the consequences of a deficiency of haemoglobin in our bodies?
During heavy exercise, we get cramps in the legs due to the accumulation of ______.
Name the process by which plant parts like roots, stems, and leaves get oxygen required for respiration.
From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration?
What type of repiration takes place in yeast?
Which of the following statements are correct?
(i) pyruvate can be converted into ethanol and carbon dioxide by yeast
(ii) fermentation takes place in the case of aerobic bacteria
(iii) fermentation takes place in mitochondria
(iv) fermentation is a form of anaerobic respiration
The two organisms which breath only through their moist skin are:
Which of the following is most likely to have a much higher breathing rate?
What is the name of tissues which transport:
water and minerals in a plant?
Tick the most appropriate answer.
The products of respiration are :
Answer the following in detail.
How is the process of cellular respiration different from breathing?
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 |
State one function of the following:
Pleural fluid
Give Suitable Explanation for the Following :
Why do you shiver and why do your teeth chatter when it is very cold in winter?
Draw a diagram of the human respiratory system and label - pharynx, trachea, lungs, diaphragm and alveolar sac on it.
Respiration refers to ____________.
What percent of oxygen is transported in a dissolved state by the plasma?
Sometimes when we do heavy exercise, anaerobic respiration takes place in our muscle cells. What is produced during this process?
List the similarities between aerobic and anaerobic respiration.