Chapter 14 - Blood Flashcards
What is contained in the cardiovascular system?
heart and blood vessels
What is contained in the circulatory system?
heart, blood and blood vessels
What are the 3 main functions of the circulatory system?
transport, protection, regulation
How much blood do most adults have?
4-6 L
What type of tissue is blood?
liquid connective tissue
What is the ECM of blood?
plasma - clear, light yellow
What are the formed elements of blood?
cells and cell fragments - RBC, WBC and platelets
Name all the formed elements in blood:
There are 7 types:
- erythrocytes
- platelets
- neutrophils
- eosinophils
- basophils
- Lymphocytes
- Monocytes
What is hematocrit?
ratio of RBC to whole blood
What are the heaviest cells in blood?
erythrocytes
What is most of blood?
plasma - 55% of whole blood
What is the buffy coat?
- white blood cells and platelets
What is the liquid portion of blood? What is found in this liquid portion?
plasma -
proteins, gases, electrolytes, nitrogenous compounds
What is serum?
plasma with solids removed
How do serum and plasma compare?
serum is plasma without fibrinogens
Name the major categories of plasma proteins:
albumins, globulins, fibrinogen
What structure makes plasma proteins? What is the exception?
liver, immunoglobulins which are produced by plasma cells
Plasma also contains nutrients such as:
glucose, vitamins, fats, cholesterol, phospholipids
Name the gases in plasma:
O2, CO2, nitrogen
Most electrolytes in plasma are:
Na
Nitrogenous compounds in plasma include:
free amino acids from breakdown, nitrogenous wastes (urea), removed by kidneys
Resistance to flow is called:
viscosity
Whole blood is ____ times as viscous as water. Plasma is _____ as viscous as water.
- 5
2. 0
The total molarity in blood that can’t pass through blood vessel wall.
osmolarity