Why Does the Heart Have Valves?

Answer

The heart has valves to regulate the amount of blood that gets in and out. All of the valves, when functioning normally, act as one-way valves to allow blood to flow either from one chamber to another. The opening and closing functions of the valves are defined by pressure differences generated within the heart.
Q&A Related to "Why Does the Heart Have Valves?"
If you go to http://kidshealth.org/kid/cancer_center/HTBW/heart.html# then read the short article then most of your answers will be answered on the heart. . The_human_heart_has_four_valves
http://wiki.answers.com/Q/Why_does_the_heart_have_...
As an engine runs, it produces a lot of heat. Some of the valves located in the engine are responsible for releasing some of that heat from the engine to avoid overheating. If these
http://www.ehow.com/info_12017189_engine-need-valv...
Why does the right side of the heart have a TRICUSPID valve? The left aide of the heart has a bicuspid valve, the right tricuspid. Is there a ny functional reason for this? Thank
http://www.madsci.org/posts/archives/mar97/8552551...
Two types of holly plants exist: monoecious and dioecious. Monoecious plants contain male and female flowers on the same plant. Dioecious plants, which includes the holly tree, produce
http://www.ehow.com/facts_7482288_holly-tree-not-b...
About -  Privacy -  Careers -  Ask Blog -  Mobile -  Help -  Feedback  -  Sitemap  © 2015 Ask.com