BLOOD “The River of Life”.

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Presentation transcript:

BLOOD “The River of Life”

Components of Blood include The formed elements - living cells are suspended in the nonliving fluid matrix called plasma.

P. 295 in your text.

Formed Elements include… Erythrocytes –RBCs - Transport oxygen and help transport carbon dioxide Leukocytes – WBCs – Defense and immunity Thrombocytes – Platlets – Blood clotting

P. 299 in your text.

Platlets Activated Platlets

Blood Types

A and B blood types are both Dominant traits. A and B genes show co-dominance expression. O is recessive to A and B. RH positive blood types are Dominant to negative. Blood types are multiple allelic trait because it takes multiple genes to produce a blood type.

Who can receive ….

Agglutination

Sickle Cell Anemia The result of a point mutation in the DNA of the affected individual. Caused by a recessive gene.

Rh- Mothers with RH+ babies The mother begins Producing Anit + Antibodies during the 1st Pregnancy and if she becomes pregnant with a 2nd RH+ baby her Antibodies will cross the Placenta and attack the Baby’s blood causing a condition called hemolytic disease of the New born.

Hema - WHAT? Hematocrit Hematopoiesis Hemostasis Hemorrhage

Blood Composition Questions P. 294 & 295 What percent of whole blood is composed of plasma? What is the function of water in blood? What is the function of electrolytes? List 6 electrolytes. What is the function of albumin? What are the functions of fibrinogen and globulins?

List the substances transported by blood. What % of blood is made of the formed elements? What is hemoglobin? What is hematocrit?