Presentation on theme: "Composition of blood Blood transports materials through out the body inside blood vessels."— Presentation transcript:
Composition of blood Blood transports materials through out the body inside blood vessels.
Plasma Straw colored, nonliving part of blood. 90% Water Helps to regulate body temperature Contains Electrolytes Plasma transports blood cells, products of digestion and hormones throughout the body.
How much blood is in the human body? About 5 liters
Erythrocytes Shaped like round plates indented in the center. Have no nucleus
Questions The Average adult has about __________ liters of blood? 5 Describe Plasma? Plasma is the straw colored, non-living part of blood. It is 90% water. Name 2 materials carried by plasma? RBC, Hormones, Digested materials.
Why is blood red? Blood is red because it contains hemoglobin and iron rich pigment.
What does hemoglobin do Hemoglobin picks up the oxygen molecules and drops off CO2
Carbon Monoxide Binds to RBC better than oxygen. Not good Kills us silently Cant smell it or taste it.
Questions Why is blood red? Because it contains hemoglobin What does hemoglobin do? Hemoglobin carries oxygen What is the shape of a red blood cell? How does carbon monoxide poisoning occur?
Anemia Occurs when the blood does not have enough hemoglobin. Treated by taking in more iron Because iron makes up hemoglobin