How are oxygen and carbon-dioxide exchanged in our body during respiration?
Download our app for free and get started
During the process of ‘breathing in’ the air sacs or alveoli of the lungs get filled with air containing oxygen. The alveoli are surrounded by capillaries carrying blood so the oxygen of air diffuses from the alveoli walls into the blood from where it is carried to all the parts of the body.As the blood passes through the tissues of the body, the oxygen present in it diffuses into the cells. This oxygen combines with the digested food to release energy. Carbon-dioxide gas is produced as a waste product during respiration in the cells of the body tissues which diffuses into the blood. Blood carries the carbon-dioxide back to the lungs where it diffuses into the alveoli.
Download our appand get started for free
Experience the future of education. Simply download our apps or reach out to us for more information. Let's shape the future of learning together!No signup needed.*
Similar Questions
- 1View SolutionGiven below is the experimental set-up to establish that one of the atmospheric gases is essential for photosynthesis in plants.
- Name the atmospheric gas which is essential for photosynthesis.
- What is kept in watch-glass in figure 'a' and why?
- Write the balanced chemical equation for the process of photosynthesis.
- When do the desert plants takeup carbon dioxide and perform photosynthesis?
- 2View SolutionName the conducting structures present in plants.
- 3View SolutionThe liquid connective tissue A circulates in our body continuously without stopping. This tissue contains a pigment B which imparts it a colour C. The tissue A consists of four components D, E, F and G. The component D fights infection and protects us from diseases. The component E helps in the clotting of tissue A if a person gets a cut. The component F is a liquid which consists mainly of water with many substances dissolved in it and component G carries oxygen from the lungs to all the parts of the body.
- What is (i) tissue A, (ii) pigment B and (iii) colour C?
- Name (i) D, (ii) E, (iii) F and (iv) G.
- Name one substance (other than oxygen) which is transported by tissue A in the human body.
- Which two components of tissue A are the cells without nucleus?
- Name any two organisms (animals) which do not have liquid like A in their body.
- 4View SolutionSuggest a suitable reason for the heart having four separate chambers.
- 5View SolutionWhat is lymphatic system? What are its functions?
- 6View SolutionThe transport system in plants consists of two kinds of tissues X and Y. The tissue X is made up of living cells and consists of two components A and B. The component A has tiny pores in its end walls and contains only cytoplasm but no nucleus. On the other hand, component B has cytoplasm as well as nucleus. The tissue Y is made up of dead cells and consists of two components C and D. The component C has open ends whereas component D does not have open ends. In flowering plants, either only C or both C and D transport water but D is the only water conducting tissue in non - flowering plants.
- What is (i) tissue X, (ii) component A and (iii) component B?
- What is (i) tissue Y, (ii) component C and (iii) component D?
- 7View SolutionExplain the term dialysis.
- 8View SolutionIf a person holds his breath after expiration for about 25sec, would there be occurrence of any exchange of respiratory gases in the lungs during this period? Explain.
- 9View SolutionWrite the events that occur during the process of breathing in humans.
- 10View SolutionDescribe the process of nutrition in Draw labelled diagrams to show the various steps in the nutrition in Amoeba.