Use words to express. any number that begins a sentence, title, or text heading. Whenever possible, reword the sentence to avoid beginning with a number. Examples: 1  Ten participants answered the questionnaire.  Forty-eight percent of the sample showed an increase; 2% showed no change.
Transport of oxygen in the blood Blood Blood is an 'aqueous body fluid'. In other words it is water containing a whole range of substances. It is contained in a complex network called the vascular system and is pumped around the body by the heart.
A protein in blood plasma that carries iron derived from food intake to the liver, spleen, and bone marrow. transferrin (transferÂ´in), n a trace protein present in the blood that is essential in the transport of iron from the intestine into the bloodstream, making it available to the normoblasts in the bone marrow.