Answer:
option D: produced its own contractile cycle
Explanation:
option D: produced its own contractile cycle
Autorhythmicity referred to that capability of cells of cardiac muscles that help to beat heart regularly and rhythmically. It is due to that potential which is produced by cells of cardiac muscles. these cells does not required stimulation to beat heart.
autorhythmic cells are generate at sinoatrial and atrioventricular nodes.
Answer:The most important challenges facing the province's industrial development:
Explanation:1) lack of financial support from industry, banks, 2) legal and administrative problems, 3) business problems, 4) a delay in the construction, completion and inappropriate deployment of industrial projects, and the most important priorities ...
They both believed that it was important to stay productive