Blood provides your body with circulation.
The four main things that it does, for all of our tissues that need all four, are i) the collection of O2 from the lungs and its delivery to all cells, ii) the collection of waste CO2 from all cells and the delivery of same to the lungs for dispersion, iii) the transport of nutrients from the intestine to the blood plasma, and iv) the collection of waste metabolites for direction to the excretia systems.
Plus, it buffers - that is, it smooths out unwanted 'concentration spikes', say of salt or sugar.
It is also a highway for chemical messages of all sorts. BOOM , loud noise, heart is beating more: Adrenalin (epinephrine) is exuded near the kidneys. In four seconds this signal gets from the adrenal gland to the heart - how --- via the Blood.
Not free flowing unless you pop a capillary. The blood is carried in arteries to veins and then is distributed through millions of very small vessels called capillary's.
Yes
about .75 pints / month
No, bone marrow produces blood cells.
Yes.
The skeleton does not produce blood!
Blood does not produce anything. Red blood cells and white blood cells are produced in the marrow of bones. Blood then supplies oxygen and hormones to the body to insure the body works properly. Blood cells are bathed in plasma.
the heart pumps the blood around the body
for our body, it is in the bone marrow
blood is naturally in your body. if you eat something there will be no diff in your blood flow or blood amount.
Anti-body antigen A & B
cardio
The Immune System
the circulatory system does not "produce" blood cells. The circulatory system does not produce anything, it just circulates the blood around your body.
Blood
mia
because there is too much sugar in the blood