Q

Which of the following statements related to respiration is/are correct? (i) Exchange of gases takes place in the alveoli. (ii) The walls of the alveoli contain an extensive network of blood vessels. (iii) In humans, the respiratory pigment is haemoglobin.

RRB Technicians Grade-III 26/12/2024 (Shift-III) 2024
✓ Answer: C (i), (ii) and (iii)
All three statements are correct. Alveoli exchange gases with surrounding capillaries, and haemoglobin in red blood cells transports oxygen.
← Previous Question Next Question →

📚 Related Questions — Human Body

1 Which organism has a longer small intestine among these options? 2 Where do bacteria digest cellulose in animals such as horses and rabbits? 3 The filtration units of human kidneys are called _____. 4 _____ tissue changes the diameter of the blood vessel. 5 After complete digestion, proteins are converted into: 6 Which acid aids digestion in the body?