Answer: angular distance north or south from the celestial equator measured along a great circle passing through the celestial poles
Explanation:
<em><u>Answer:Anatomically, respiratory tract is divided into upper (organ outside thorax - nose, pharynx and larynx) and lower respiratory tract (organ within thorax - trachea, bronchi, bronchioles, alveolar duct and alveoli). The discussion is mainly concentrated on the lower respiratory tract and the related physiology.</u></em>
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Anima- like protists are heterotrophic in nature, whereas plant-like protists are autotrophic
