Red veins and arteries deliver
oxygenated blood to cells.
Blue veins and arteries deliver deoxygenated blood back to
the heart for replenishment.
its path of thousands of miles of veins and arteries through
which 2,000 gallons of blood are pumped each day, the circulatory
system is responsible for delivering oxygen, glucose, nutrients,
water, vitamins and drugs carried along a superhighway
of blood vessels powered by the heart.
The circulatory system, by way of the blood that flows through
it, is also responsible for collecting waste from organs,
like the kidneys,
to regulating our internal temperature (by altering the flow
of blood flow through the skin),
the circulatory system also contains white blood cells which
are at the front lines of fighting off bodily infection.
system even has a role to play in sexual
reproduction, since a major factor in penile erection
is a strong and unimpeded flow of blood that allows the penis
to expand during copulation.
your circulatory system humming
Most people already know how to maintain a healthy circulatory
system, but here are some helpful reminders:
possibly the most important thing we can all do to keep
our circulatory system healthy is to eat properly. This
means avoiding fatty meats and high cholesterol
foods, high glycemic index carbohydrates, and sugar that
acts to clog or constrict the arteries.
Instead, opt for a diet rich in vegetables, fruits, low
fat proteins, whole grains, (with a healthy dose of portion
moderation) to keep blood
pressure steady and the circulatory system in optimum
of things most of us need to be doing more of for the health
of our circulatory systems is getting active. Any sort of
whether it's walking the dog or scaling a mountain, can
be beneficial, and it's recommended that everyone be at
least moderately active every single day to keep the blood
is better known as a major threat to the lungs,
it is also extremely damaging to the circulatory system
and a major cause of serious heart
about the human circulatory system around the Web:
- Comprehensive fact sheet explaining circulatory system structure
and function with comparisons among human, bird and animal
systems, related glossary of terms, diagrams and illustrations.