Passengers should also increase blood flow to the legs.

VOA: special.2009.07.14

The Okefenokee seems primeval. It was formed when waters from an ancient ocean receded and a mammoth sandbar blocked most of the water flow to the sea.

VOA: standard.2010.03.29

Access to a Caesarean section to relieve the pressure of obstructed labor is the most common way of preventing an unborn child from pressing so tightly in the birth canal that it cuts off blood flow to surrounding tissue.

VOA: standard.2009.12.23

The researchers point out that gene flow between crops and their wild relatives is common and difficult to contain.

VOA: special.2009.10.27

Clots can block the flow of blood to the heart or brain and cause a heart attack or stroke.

VOA: special.2009.10.20

When the water heater is working correctly, water will flow from the storage tank to the collector and back again.

VOA: special.2009.04.20

Automatic faucets use an electronic sensor to start and stop the flow of water when people wash their hands.

VOA: special.2011.04.06

Project organizers hope to re-create wetlands in Picayune Strand and nearby lands by redirecting the flow of water in that area.

VOA: special.2010.09.21

But,once the fire is out, the well still needs to be covered,or capped, to stop the flow of oil.

VOA: special.2009.03.22

These moves renew concern among some people about efforts by the UAE and Saudi Arabia to control the flow of information.

VOA: special.2010.08.06

The deformed cells block blood vessels and cut off the flow of oxygen to tissue in the body.

VOA: special.2009.12.16

Doctors operated on him later that year to try to improve the flow of blood from his heart.

VOA: special.2010.02.07

A person attaches a tube to the goat and, after a little pumping, the milk begins to flow.

VOA: special.2010.07.20

Like the Olympics, the World Cup provides a good reason to build roads, railways and airports to manage the flow of visitors.

VOA: special.2010.06.09