Question

can fossa ovalis is called vestigeal​

Answer 1

Answer:

Any organ or body parts that have lost their ancestral function is called as vestigial organ such as wisdom teeth, appendix, fossa ovalis, muscles of ear pinna. Whereas ileum is the third part of the small intestine which helps in digestion and absorption of nutrients.

Explanation:

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Answer 2

I thought fossa ovalis is functioning in embroynics condition and after that it will be covered by membran. so it's is not vestigial organ