I believe the correct answer to the question is D. This answer choice makes the most sense given the context. Also, since RNA is less stable than DNA, it mutates more often.
Pulmonary vein. It enters your pulmonary vein and then enters your left atrium.
I hope that helped :)
Answer:
Protons are found in the nucleus of the atom. This is a tiny, dense region at the center of the atom. Protons have a positive electrical charge of one (+1) and a mass of 1 atomic mass unit (amu), which is about 1.67×10−27 kilograms.6
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Answer:
The myogenic heart is the characteristics of vertebrates where continuous rhythmic contraction occurs. The myogenic heart is the intrinsic property of the cardiac muscles. Each contraction of the heart muscle regulates the flow of blood in the form of a pulse or heart rate.
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i hope its helps
