a) Name two structures for gaseous exchange in aquatic plants (b) What is the effect of contraction of the diaphragm muscles during breathing in mammals?

      

a) Name two structures for gaseous exchange in aquatic plants
b) What is the effect of contraction of the diaphragm muscles during breathing in mammals?

  

Answers


John
(a) - Pheumatophores

-Aerenchyma tissues

-Cuticles

b) When the muscles contracts, the diaphragm flattens, increasing the volume of thoracic cavity, while pressure reduces than the atmospheric pressure hence air rushes into the lungs
johnmulu answered the question on May 3, 2017 at 13:49


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