It would be the muscles because their contracting and forcing the blood back to the heart
Which of these substances are greenhouse gases?
<h3>carbon dioxide
</h3><h3>water vapor
</h3><h3>methane
</h3><h3>nitrous oxide</h3>
Those are answer's <em>I chose</em>, if there are <u>more</u> or <u>less</u>, please correct me.
Please give a <u>brainliest</u> and a <em>thanks</em>.
<h2>
❣</h2>
<span>The
correct answer is pharyngeal pouches.</span>
<span>All
chordates for at least some period of their life have pharyngeal pouches (pharyngeal
slits). Those are the openings in the pharynx with the function in the
filter-feeding. Pharyngeal slits are present during the embryonic stages of
tetrapod development. They <span>develop into gill arches (bony fish) and into the jaw and inner ear (terrestrial
animals).</span></span>
Hey, there!
The man whose brain injury sparked new interest in brain research was:
Phineas Gage
Good luck on your assignment and enjoy your day!
~
Los pulmones y el sistema respiratorio permiten la entrada del oxígeno del aire en el organismo, así como la expulsión de dióxido de carbono al espirar. La respiración es el término que se utiliza para denominar el intercambio de oxígeno procedente del entorno por el dióxido de carbono que se produce en las células.
