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प्रश्न
Veins and arteries carry blood. Which of these carry blood away from the heart?
उत्तर
Arteries carry blood away from the heart.
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संबंधित प्रश्न
State whether the following statement is true or false:
Fish and earthworm exchange gases during respiration in the same way.
Explain why, a land plant may die if its roots remain waterlogged for a long time.
From where do the aquatic animals and terrestrial animals obtain oxygen for breathing and respiration?
Give the main points of difference between respiration in plants and respiration in animals.
During respiration, the exchange of gases takes place in:
During the respiration of an organism A, 1 molecule of glucose produces 2 ATP molecules whereas in the respiration of another organism B, 1 molecule of glucose produces 38 ATP molecules.
(a) Which organism is undergoing aerobic respiration?
(b) Which organism is undergoing anaerobic respiration?
(c) Which type of organism, A or B, can convert glucose into alcohol?
(d) Name one organism which behaves like A.
(e) Name two organisms which behave like B.
A, B and C are three living organisms. The organism A is a unicellullar fungus which can live without air. It is used in the commercial production of an organic compound P from molasses. The organism B is a unicellular animal which lives in water and feeds and moves by using pseudopodia. It breathes through an organelle Q. The organism C is a tiny animal which acts as a carrier of malarial parasite. It breathes and respires through a kind of tiny holes R and air-tubes S in its body.
(a) What are organisms (i) A (ii) B, and (iii) C?
(b) Name (i) P (ii) Q (iii) R, and (iv) S.
(c) Which organism/organisms undergo aerobic respiration?
(d) Which organism/organisms undergo anaerobic respiration?
There are five animals P, Q, R, S and T. The animal P always lives in water and has gills for breathing. The animal Q can stay in water as well as on land and can breathe both, through moist skin and lungs. The animal R lives in soil and breathes only through its skin. The animal S lives on land and breathes through spiracles and tracheae. And animal T lives in water and breathes through its cell membrane.
(a) Which of the animals could be Amoeba?
(b) Which of the animals could be frog?
(c) Which animal could be fish?
(d) Which animal could be grasshopper?
(e) Which animal could be earthworm?
Differentiate between
External respiration and Internal respiration
Answer the following in detail.
Explain the process of Cellular Respiration.
Choose the odd one out in the following groups of four items each:
Hairy, Moist, Nostril, Vocal cord
Name the body structure concerned with the given functional activity:
Protects the lungs from mechanical injury
With regard to the respiratory system and the process of respiration in man, answer the following question:
What is meant by :
- Residual air and
- Dead air space
Identify the CORRECT sequence of events for the transport of respiratory gases.
With which of the following haemoglobin combines to form carboxyhaemoglobin?
During respiration exchange of gases take place in
Which of the following is an incorrect statement?
Which of the following equations is the summary of photosynthesis?
Breathing is a process that
- provides O2 to the body.
- breaks down food to release energy.
- helps the body to get rid of CO2.
- produces water in the cells.
Which of the following gives the correct combination of functions of breathing?
