(6) The diaphragm moves
(7) Lizard respires through spirantes,
(8) The breathing rate of a person deres
(9) Plants carry out photosynthesis only during ca
respiration during night
(10) Frogs breathe through their skin as well as
(11) Whales have lungs for respiration
(12) The size of the chest cavity increases durin
Answers
Answer:
11.Whales and dolphins are mammals and breathe air into their lungs, just like we do. They cannot breathe underwater like fish can as they do not have gills. They breathe through nostrils, called a blowhole, located right on top of their heads.
6.When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale.
7.Respiration, which is voluntary and dependant on blood carbon dioxide pressure and temperature, is aided by expansion and contraction of the ribs as lizards lack a diaphragm. In many lizards gas exchange occurs in the cranial part of the lung, while the caudal portion of the lung is analagous to the avian air sac.
Explanation:
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