Previous Year JEE Exams Problems

Question:

What is special about tissue present in the heart?

Answer:

Following are the features of the tissue that are present in the heart:

(i). Muscles are branched and striated.

(ii). They have their own mechanism for starting contractions because they are auto-excitatory in nature.

(iii). They show a continuous cycle of systole and diastole throughout life.

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