Answer:
This electrical signal start in the sinoatrial node generates an electrical impulse. From this, the signal passes through the atrioventricular node, which stops the signal for a brief moment and sends it through the muscle fibers of the ventricles, stimulating its contraction.
Explanation:
The electrical impulses generated by the myocardium stimulate the heartbeat. This electrical signal originates in the sinoatrial node located in the upper part of the right atrium. When the sinoatrial node generates an electrical impulse, it stimulates the contraction of the atria. From this, the signal passes through the atrioventricular node, which stops the signal for a brief moment and sends it through the muscle fibers of the ventricles, stimulating its contraction.
Answer: progressive resistance exercises.
Explanation:
Progressive resistance exercises are the exercises that are performed to increase the muscular strength of the body. In these exercises the participants exercise their muscles against a resistant surface or object. This process increases the strength progressively. The material used in progressive resistance exercises includes the machines, elastic bands and free weights. These type of exercises involve both concentric and eccentric contractions.
