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Vadim26 [7]
3 years ago
11

How were humans formed?

Biology
2 answers:
balandron [24]3 years ago
6 0

Answer:

Explanation:

Some people, such as myself, believe it was through God placing Adam and Eve on the Earth.  Some people think it was evolution and that humans used to be monkeys.

liq [111]3 years ago
5 0

Answer:

Through the process of evolution

Explanation:

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PSYCHO15rus [73]

Answer:

B

Explanation:

5 0
3 years ago
En los seres vivos acuaticos el oxigeno es tomado del __________ y penetra a la celula por el fenomeno de ___________
andrezito [222]

Answer:

En los seres vivos acuáticos el oxigeno es tomado del <u><em>agua</em></u> y penetra a la célula por el fenómeno de <em><u>respiración branquial.</u></em>

Explanation:

La respiración es el proceso mediante el cual los seres vivos obtienen oxígeno.  Es decir, la respiración implica el reemplazo del dióxido de carbono en los pulmones por oxígeno del aire, y puede ser pulmonar, branquial, traqueal o cutánea.

La respiración branquial es un tipo de respiración propia de la mayoría de los animales acuáticos y se lleva a cabo en las branquias, unas estructuras con forma de láminas que contienen vasos sanguíneos. Los animales acuáticos dispone de estos órganos que permiten absorber el oxígeno que se encuentra en el agua y eliminar el dióxido de carbono.

El agua que entra por la boca y circula por las branquias, donde el oxígeno es absorbido, pasa a la sangre y es transportado a todo el cuerpo donde se produce una respiración celular.

Es decir, <em><u>en los seres vivos acuáticos el oxigeno es tomado del agua y penetra a la célula por el fenómeno de respiración branquial.</u></em>

5 0
3 years ago
What system include bones ​
Vaselesa [24]
I think that it is the bone system please tell me if right
6 0
2 years ago
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Nutrients from digested food enter the bloodstream through the process of
Dahasolnce [82]

Answer:

1. Absorption is the answer

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4 years ago
If an animal is an ectotherm, it has
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A body that does not produce much internal heat
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