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Masonic Wellness reminds you about the Weekend Biking and the Health tip of the week

From: user 9.
Sent on: Monday, October 5, 2009 9:22 AM
Greetings Brothers and Sisters,
Mariners #67 of GLNY
invites all brothers and sisters to a regular Weekend Biking event on the scenic Manhattan bikeway along Hudson River.
Regular Weekend Biking is part of the Mariners 67 initiative for Masonic Wellness. 
This initiative aims to promote ideas about
Better    Physical Health,
Better    Nutrition and
Sharper Mental Fitness
among Masons and their families.
The biking weekend is also an opportunity to meet with fellow Masons and people interested to join Freemasonry. 
We meet around 4:00PM to share our bicycling experience and for light refreshments:
On dry days ��� at the Picnic Tables in front of Pier 66 (26th Street @ West Street)
It is next to Frying Pan Bar from where you can buy drinks and food and use bathrooms.
On rainy days ��� at Bowling 300, Pier 60 (23rd street @ West Street), at the tables near the game room.
The health tip for the week of Oct. 3-Oct. 9, 2009:
Why the Human Heart beats (contracts)?
Unlike most muscles, which rely on nerve impulses to cause them to contract, heart muscle can contract of its own accord.  Certain heart muscle cells have the ability to con tract spontaneously, and these cells generate electrical signals that spread to the rest of the heart and cause it to contract with a regular, steady beat.
The heartbeat begins with a small group of specialized muscle cells located in the upper right-hand corner of the Right Atrium.  This area is known as the Sinoatrial Node (SA). Cells in the Sinoatrial Node generate their electrical signals more frequently than cells elsewhere in the heart, so the electrical signals generated by the Sinoatrial Node synchronize the electrical signals traveling to the rest of the heart.  For this reason, the Sinoatrial Node is also known as the heart���s Pacemaker.
The Human Heart is divided into Four Chambers and has Four Valve s that assure the flow of blood in one direction:
The names of the four Human Heart chambers are:
The two upper chambers are called the Left and Right Atria (or Atrium) and
two lower chambers are called the Right and Left Ventricles.
The name of the Human Heart four valves, which prevent the blood flow back between the chambers, are: < /SPAN>
1)    Mitral Valve,
2)    Aortic Valve,
3)    Pulmonic Valve and
4)    Tricuspid Valve.
The Human Heart is a very complex organ.  Study of the Human Heart in details can be frustrating and may provide very little practical knowledge. 
By touching only some of its features at a time, we can learn better how practically we can maintain and improve the health of our Human Hearts.
So far we learned that for a healthy Human Heart it is important to
1)    Exercise Regularly and
2)    To Breathe Clean Air (Air Rich of Oxygen).
Best regards
Bro. M. Thomas

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