The heart has to push blood around the body through a network of blood vessels which get smaller as they get further away - towards the peripheral parts and deeper into the tissues of all the body...
Peripheral resistance is the force against blood flow. In most cases, an increase in peripheral resistance would be caused by an increase in vasoconstriction, which would decrease blood flow. Other...
Gravity is the rate of acceleration at which objects fall to the ground. As an object falls, it pushes air out of its way. Air is pushed upwards in the same direction and with the same amount of...