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madreJ [45]
3 years ago
15

The heart is part of which organ system?

Biology
2 answers:
Jet001 [13]3 years ago
7 0

Answer:

The circulatory system is made up of blood vessels that carry blood away from and towards the heart. Arteries carry blood away from the heart and veins carry blood back to the heart. The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.

Explanation:

Savatey [412]3 years ago
7 0
Cardiovascular. Related to blood and heart and blood vessels.
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The correct answer is option C, that is, behavioral isolation.  

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However, the members of the two species will not mate with each other, possibly as they use different songs in order to fascinate males. The eastern meadowlarks will not respond to the songs of western meadowlarks, and vice versa.  


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Answer:

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Explanation:

objective lenses with different magnifications, screwed into a circular "nosepiece" which may be rotated to select the required lens.

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Dmitrij [34]

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