Which of the following are the correct adaptations for gliding? A.)wings curved up in the back to lift bird as air flows up behind it, and front edges forcing all air downward under the
wings
B.)kiting helps birds glide forward
C.)wings curved down in back to lift bird as air pushes up and rounded front edge guiding the air up, creating a 'suction'
of lifted air
D.)wings are even on top and bottom to create the greatest possible flying surface

the oxygenated blood then leaves the lungs through pulmonary veins, which return it to the left heart, completing the pulmonary cycle. this blood then enters the left atrium, which pumps it through the mitral valve into the left ventricle. from the left ventricle, the blood passes through the aortic valve to the aorta.

deoxygenated blood leaves through the right ventricle through the pulmonary artery. from the right atrium, the blood is pumped through the tricuspid valve (or right atrioventricular valve), into the right ventricle.

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