<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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Answer:
the answer is nucleolus.
Explanation:
the production of ribosomes makes it dark or stained
Nervous system is network of nerve cells and fibers that transmits nerve impulses Between parts of the body.
muscular system is an organ system consisting of skeletal smooth and cardiac muscles
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Answer:
Liquids have more kinetic energy than solids
Explanation:
When a substance increases in temp, heat is being added, and its particles are gaining kinetic energy.
Answer:
Starfish preys on animals that have no other natural prey. The starfish consume those species so they are removed from the environment.
