I am a nurse by profession and the best sources are as follows:
Scribd - they provide you with detailed cases.
nurseslabs- if you want to know more about health issues and how they are being treated you can check it out here.
WebMD- is a popular site with health care professionals and with regular individuals. It is very informative.
MedicineNet, Drugs.com - if you want to learn more about your given medications.
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:
The socioeconomic factors that determine health include: employment, education, and income. Please let me know if im wrong. Hope this helps :).
True, they have collected data from people with and without the flu virus
Cardiovascular exercise is any exercise that gets the heart rate up and increases blood circulation. Cardiovascular exercise utilizes large muscle groups. Aerobic exercise requires to use large muscle groups rhythmically and continuously. These muscle movement over a sustained period of time keep the heart rate to at least 50% of its maximum level.