blood
What color is blood?
Blood is red.
what is the function of the veins?
collect oxygen-poor blood and return it to your heart.
What is the function of the heart?
transporting oxygen and nutrients to the lungs and tissues.
What other system would fail if it were not the circulatory system?
respiratory system.
what is the function of the blood vessels?
blood vessels is to deliver blood to the organs and tissues in your body.
what is the function of the blood?
transporting oxygen and nutrients to the lungs and tissues.
What are veins for?
collect oxygen-poor blood and return it to your heart.
What color is heart?
red because of the blood on the heart.
what is the function of the circulatory system?
helps remove carbon dioxide.
What are blood vessels?
channels that carry blood throughout your body.
how many liters of blood does the human body have
the human body between 4.5 and 6.0 liters.
veins can swell the legs
When the valves do not work properly, they allow blood back into the vein. This, in return, causes leg swelling.
How is the heart formed?
the heart is made up of four chambers: the upper two are called atria (singular: auricle) and the lower two are called ventricles (singular: ventricle). Muscular walls, called septa, divide the heart into two parts.
The circulatory system why it is so important for the human body?
It helps tissues receive enough oxygen and nutrients and eliminate waste products.
What are the characteristics of blood vessels?
have a tube-like shape, but they rarely run in a straight line. Some are big enough to see under your skin.
how much blood can a human being donate
a pint (about half a liter)
where the veins are located
in your muscles and along your bones
Where is the heart located in the human body?
in the front of your chest.
How is the circulatory system composed?
the heart and the blood vessels running through the entire body.
what are the properties of blood vessels
What is the organ that oxygenates the blood?
the lungs.
Where do they get blood from to detect any disease?
the veins.
how much does a heart weigh
Your heart can weigh between 7 and 15 ounces.
What diseases affect the circulatory system?
that carry blood vessels