The heart is composed of cardiac muscle, which contracts and relaxes involuntarily in a regular rhythm without fatiguing.
The heart is composed of cardiac muscle, which contracts and relaxes involuntarily in a regular rhythm without fatiguing.
| Front | Name the type of muscle the heart is made out of and describe its features. |
|---|---|
| Back | Cardiac muscle:
|
Learn with these flashcards. Click next, previous, or up to navigate to more flashcards for this subject.
Next card: Blood vessels supply heart muscle oxygen glucose coronary
Previous card: Blood flow draw diagram showing heart include names
Up to card list: A-Level Biology OCR A