Answer:
It looks like Telephase 1
When the sun produces energy, it consumes hydrogen and then produces Helium. Nuclear fusion is the source of all energy, generated by the sun. The Sun, either converts hydrogen to helium or makes helium nuclei from protons, and also, the Sun converts mass to energy.
<span>In the right atrium, the auricle and anterior wall exhibit obvious muscular ridges called MUSCULI PECTINATI.
Musculi pectinati or pectinate muscles are identified as specialized intracardiac muscle. The muscular ridges are like combs. These ridges help the right atrium dilate without much walls stress during adverse loading conditions.</span>