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:
Say No.
Explanation:
Refuse the alcohol very clearly by saying no. Make sure to look them in the eyes and cross your arms showing you are very serious. Also keep your facial expression very serious and finally after you made your point, walk away or leave the party or where you are at.
Answer:
Explanation:
E Aids , A is hepatitis b,C is type 2 ,D type 1, and B is HIV
Its too expensive or they feel they don't need it because they don't get sick or hurt or don't go to the doctor
