Answer:
The correct option is B.
Explanation:
Muscle tissues of the heart refers to a group of cells that are carrying out similar functions in the heart. There are three different types of muscles, these are skeletal, cardiac and smooth muscles. The cardiac muscles are found in the heart, they form the contractile wall of the heart. These muscle contract involuntarily ( that is, without any external stimulation) and they are single nucleus, striated and short.
Chordata
notochord is a mesodermally rod like structure which forms vertebral column in higher vertebrates
Answer:
done, given, or acting of one's own free will
Explanation:
i searched it up
Answer:
I added a screenshot of the Venn diagram I did
Explanation:
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