Lecture 4 The Blood Flashcards
Blood is a liquid _______
connective tissue
Name the three formed elements of the blood
Erythrocytes/RBCs, Leukocytes/WBCs, and Thrombocytes/Platelets
The amount of blood in body is _____ dependent.
mass
How much blood do males have in their bodies? Females?
Males=approx. 5-6 liters
Females=approx. 4-5 liters
What is our blood pH?
7.35-7.45 (slightly basic)
Blood is slightly _____ than body core temperature. What temperature is our blood?
warmer; approx. 100 degrees
The ___ system is the first to develop in a fetus.
Circulatory System
The heart begins pumping in a fetus at approx. ___ weeks
3 weeks
What the the three main functions of blood?
transportation, protection, and regulation of vital fluids
The “matrix” fluid portion of the blood is referred to as the ____
plasma
Plasma suspends _____, is composed of ___% water and ___% dissolved substances, and carries _______
suspends formed elements; 92% water & 8% dissolved substances; carries plasma proteins
Plasma proteins are produced by the ____
liver
Name the 3 types of plasma proteins
Albumin (transport), Globulin (immune response), Fibrinogen (blood clotting)
Name for blood cell formation
Hemopoiesis
Name for the blood stem cell
Hemocytoblast
Before birth, hempoiesis comes from what 5 places?
Red bone marrow, liver, spleen, thymus, and blood vessels
After birth, hempoiesis comes from the ___ & ___
red bone marrow and yellow marrow