The heart has four chambers:
The right atrium receives blood from the veins and pumps it to the right ventricle.
The right ventricle receives blood from the right atrium and pumps it to the lungs, where it is loaded with oxygen.
The left atrium receives oxygenated blood from the lungs and pumps it to the left ventricle.
The left ventricle (the strongest chamber) pumps oxygen-rich blood to the rest of the body. The left ventricle’s vigorous contractions create our blood pressure.
Answer:
1. quickly increasing muscle mass in chest, arms, and legs
Answer:
Private insurance companies in collaboration with Medicare offers private fee for-service plan, whereas, the original plan of Medicare is offered by Medicare directly.
Explanation:
Private fee plans are of private insurance companies attached with Medicare. It deals with the amount of payments to be paid to doctors or hospitals and the payment to be given by the patient before the service care.
The original Medicare plan involves payment of the customer for each service received by them. Original Medicare service involves high premiums but PFFs are less expensive and budget-friendly.
A pacemaker is the device that sends electrical impulses to the heart.