When the heart contracts it pushes blood into blood vessels which creates blood pressure. A blood pressure reading consists of two values: systolic value – blood pressure while the heart is squeezing ...

When a person takes part in exercise their face can become pink due to vasodilation of the blood vessels close to the skin's surface. When the heart contracts it pushes blood into blood vessels which ...

As the central part of the circulatory system, the heart is responsible for pumping blood, supplying oxygen and nutrients, and removing metabolic waste such as carbon dioxide from all the tissues in ...

The cardiovascular system is the bodyâ s main transport system, and its efficiency is essential for health and longevity. As it ages, it becomes less efficient, which has a negative impact on all ...