Veins
What color are the veins?
Although the liquid that circulates through them is red, at first glance these blood vessels appear blue or green.
What is the real color of the heart?
As blood leaves the heart and is oxygen-rich, it is bright red. Colour of human heart without blood is white.
What color are the arteries?
Arteries, which usually appear red, carry blood from the heart.
What color are the blood vessels?
The liquid that circulates through them is red; at first glance, these blood vessels appear blue or green.
How our circulatory system works?
Gives blood to the whole body
How do I know if my blood is not circulating well?
Cold, dry or flaky skin.
Itchy legs.
Presence of small vessels, varicose veins or red spots.
Swollen ankles and feet.
Pale or bluish coloration in areas of poor circulation.
Cramps.
Tingling, prickling, or numb sensation.
Absence of hair on the legs.
How big is an actual heart?
Generally, your heart is about the same size as your fist. On average, an adult's heart weighs about 10 ounces
How important are arteries?
Arteries (which are strong, flexible and elastic) transport blood from the heart and withstand the greatest pressures. Because of their elasticity, arteries passively contract (recoil) when the heart relaxes between beats, helping to maintain blood pressure.
How important are blood vessels?
Blood supplies oxygen and nutrients to all parts of your body and removes waste products, such as carbon dioxide.
How to know that our circulatory system is not well??
Numbness, tingling, and pain in the arms or legs
What do veins look like when there is poor circulation
Superficial purple veins appear, this is what we call “Spider Veins”. More dilated veins appear constantly, bluish in color, between 1 and 3 mm in diameter, which are called “Reticular Veins.”
What would happen if we didn't have the heart?
The blood delivers oxygen to all the cells in the body. To stay alive, a person needs healthy, living cells. Without oxygen, those cells would die. If this oxygen-rich blood does not circulate properly, the person could die.
What would happen if we didn't have arteries?
Without it, our organs would not be able to get the oxygen and nutrients they need to survive.
What would happen if we didn't have blood vessels?
organs and tissue can be irreversibly damaged within minutes
How many types of tissues are in the circulatory system?
four primary tissues
What happens if the veins don't work?
Leg pain, which can make them feel heavy or tired. Ulcers or sores on the skin caused by poor circulation in the veins that do not heal or recur. Thickening and hardening of the skin on the legs and ankles
How do I know that my heart is not right?
Fatigue.
Difficulty breathing.
General weakness.
Changes in skin color or grayish pallor (episodes of skin changes associated with weakness)
How can I know that my arteries are not good?
Chest pain (angina). You may feel pressure or tightness in your chest.
How to know that your blood vessels are not well?
What is the main muscle of the circulatory system?
The heart.
This muscular organ functions to pump blood throughout the body through an intricate network of blood vessels.
What is the function of a vein?
Veins carry blood from all organs of the body to the heart.
what is the function of the heart
That system is a network of blood vessels, such as arteries, veins, and capillaries, that transports blood to and from all parts of the body
How do arteries work?
Arteries carry blood from the heart to the rest of the body, and veins carry blood from the body to the heart.
what is the function of blood vessels
They are hollow, pipe-like tubes that carry blood through your body. Blood supplies oxygen and nutrients to all parts of your body and removes waste products, such as carbon dioxide.
What would happen if there was no circulatory system?
Without it, our organs would not be able to get the oxygen and nutrients they need to survive, we would not be able to heat and cool ourselves when we need to, fight infections, or get rid of our waste products. Without enough blood, we would weaken and die.