Thus the time period elapsing between the first heart sound and the second sound defines systole (ventricular ejection) and the time between the second sound and the following first sound defines diastole (ventricular filling). Please listen to an example of a normal heart sound: These are the normal heart rate values.
Costs to Consider: If you're new to Xbox and are excited to sign up for your Xbox Live Gold subscription, there are a few things you should know. Here are some Xbox cost factors to consider: Xbox Live subscriptions are $59.99 for 12 months, $24.99 for three months, and $9.99 for one month.
On average, the Xbox 360 cost will be anywhere from $80 to as much as $250 depending on the model purchased. The first edition, which isnât sold new anymore, will cost about $60 to $75 used. The basic Xbox 360 will cost about $170. This console has a fairly small memory â only 4 GB.