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Sponge #7

Sponge #7. Crabs have blue blood. Earthworms have green blood. Starfish have yellow blood. Humans have red blood. Hypothesize what gives blood its color. Its components (what is inside of it) In humans hemoglobin, a red pigment that is found in red blood cells, gives human blood its color.

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Sponge #7

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  1. Sponge #7 Crabs have blue blood. Earthworms have green blood. Starfish have yellow blood. Humans have red blood. • Hypothesize what gives blood its color.

  2. Its components (what is inside of it) • In humans hemoglobin, a red pigment that is found in red blood cells, gives human blood its color

  3. KEY CONCEPT Blood is a complex tissue that transports materials.

  4. Director of the American Red Cross • Recruited 100,000 people to donate blood • Developed large scale blood banks during WWII • Resigned from his position when the U.S. military insisted that blood be segregated according to race • He argued that blood has no race.He was correct. Charles Richard Drew (1904-1950)

  5. plasma red blood cells, white blood cells, and platelets Blood is composed mainly of cells, cell fragments, and plasma. • Whole blood is made up of different materials. • plasma • red blood cells • white blood cells • platelets

  6. plasma red blood cells, white blood cells, and platelets • Plasma is a key factor in maintaining homeostasis. • Liquid component of blood • mostly water (93% by volume) • contains dissolved proteins, glucose, mineral ions, hormones and carbon dioxide

  7. Predict what you think might happen to your blood if you become dehydrated. Because the blood contains so much water, being dehydrated would make the blood thicker, affecting blood flow, and homeostasis.

  8. red blood cell platelet white blood cell • bone marrow manufactures most of the blood components • Red blood cells, white blood cells, and platelets Bone marrow

  9. transport oxygen to cells and carry away carbon dioxide • have no nuclei and contain hemoglobin • Red blood cells make up 40-45 % of all blood cells.

  10. red blood cell platelet white blood cell • White blood cells fight pathogens and destroy foreign matter.

  11. platelets fibrin white blood cell red blood cell • Platelets help form clots that control bleeding.

  12. blood types must be compatible for transfusions

  13. Complete Study Guide p. 30.5 • Cross off # 16-17 • #7 is Proteins • Pgs. 926-929

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