Well for internal <span>they have proteins that respond to events inside the cell which are called internal regulators! They allow the cell cycle to move on only when certain processes have happened inside the cell internally. The opposite for external and it means p</span><span>roteins that respond to events outside the cell are called </span>external regulators<span>.
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Answer:
in this world everyone is human beings
<h2>BUT !</h2>
<h3>the only 7 ppls are 'angles '</h3>
<h2>
<em><u>BTS</u></em><em><u> </u></em><em><u>ARMY</u></em><em><u> </u></em><em><u> </u></em><em><u>here</u></em></h2>
<em><u>halla</u></em><em><u> </u></em><em><u>bol</u></em><em><u>!</u></em><em><u>!</u></em><em><u>!</u></em>
The position and attachments of the parietal pericardium of the heart of the fetal pig is; The parietal pericardium is a very thin layer on the outside surface of the heart.
<h3>What is the parietal pericardium of the heart?</h3>
The Parietal pericardium is a serous membrane that secretes serous fluid to lubricate heart and reduce friction.
The Parietal pericardium acts as mechanical protection for the heart and big vessels, and a lubrication to reduce friction between the heart and the surrounding structures.
The description of the position and attachments of the parietal pericardium is that is a very thin layer on the outside surface of the heart.
Read more about parietal pericardium at;
brainly.com/question/9640114
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Answer:
radio waves
Explanation:
radio waves are waves in the electromagnetic spectrum that have the longest wavelengths and lowest frequency.
