Biology, asked by pandeydivyanshi0801, 4 months ago

1. Fill in the blanks with suitable words:
(a) Carbon dioxide produced during respiration is
removed by____
(b) Lungs contain large number of sac-like structures
called_
(c) Muscles attached to the ribs are called
(d) The inspired air contains
per cent
oxygen
(e) Breathing movements are controlled by_______

Answers

Answered by RahulBhagwatkar

1

Answer:

a. lungs

b. alveoli

c. levatores costarum muscles

d. The amount of inhaled air contains 21% of oxygen and 0.04% of carbon dioxide

e. networks of neurons in the hindbrain (the pons and medulla).

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