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Urea, the main waste product in blood comes from the liver
the kidneys
Bilirubin.
because it is a waste-product and is poisonous in excessive concentrations.
The molecules of food and oxygen diffuse into cells. oh and btfw co2 and waste chemicals diffuse ut of cells. im in year 3
No or yes the answer is No
Carbon dioxide and other such waste gases diffuse from the foetus and across the placenta into the mother's blood. Urea (excretory product) also diffuses into the mother's blood. (The substances in bold will answer question).
urea
Lactic acid is a waste product of metabolism. It is excreted in sweat. Sweat is a solution of various chemicals present in the blood including lactic acid.
Oxygen and other nutrients diffuse out of blood by osmosis, and blood takes up carbon dioxide and other waste products given off by cells.
Urea, the main waste product in blood comes from the liver
blood plasma carries waste product including urea
fat
the kidneys
Kidney
Carbon dioxide
The nitrogenous waste products and CO2 accumulate in the blood when the heart is unable to pump blood efficiently.