Answer:
They digest without the use of teeth.
Explanation:
The food trickles from the crop into the bird's stomach (proventriculus or gizzard) where digestive enzymes are added to the mix and physical grinding of the food occurs. The gizzard is why chickens do not need teeth.
<span>Question B) the development of the microscope Eliminate.
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Answer:
The correct answer is option B. pulmonary stenosis.
Explanation:
Hypertrophy of the right ventricle is also called right ventricular hypertrophy is a condition in which the heart muscles of the right ventricles are enlarged or thickened.
The hypertrophy of the right ventricle is a response to pulmonary stenosis. Pulmonary stenosis is the condition in which blood flow from the right ventricle to the pulmonary artery is obstructed due to the stenosis or narrowing at one or several points.
Thus, the correct answer is option B. pulmonary stenosis.