the human heart septum. the human heart pulmonary artery to left lung septum pulmonary artery to...
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DESCRIPTION
Components of Blood Red Blood Cells (RBC): –primary purpose is to carry oxygen to all parts of the body –can be dark red (oxygen poor) or bright red (oxygen rich) Blood is NEVER blue –Produced in bone marrow –RBC carry hemoglobin, an iron-containing protein that contains oxygen –disc shaped with a pinched center; allows them to bend and squeeze through capillaries Plasma: –the fluid portion of blood –makes up 55% of blood and is a yellow colored liquid –about 95% of it is made of water.