Physical characteristics
What is the taste of blood?
Metallic
What percentage does blood plasma account for in our blood?
55% whole blood ( 90% water)
What organ system does blood belong to?
Cardiovascular system
What kind of tissue is blood?
Connective tissue
Process of blood cell formation? and where does it occur?
Hematopoiesis and in red bone marrow
What is the normal pH range of blood?
7.35-7.45
If 55% of blood plasma makes up whole blood and 90% of that is water then what percent is missing?
10%
Name the 3 things blood does for the human body?
transport, regulation, and protection
What is the matrix of blood?
A nonliving fluid called plasma
What is the precursor for all formed cells?
Hematopoietic (Hemocytoblast)
What is the average volume in male and female?
M: 5-6 L
F: 4-5 L
What does the remaining 10% of blood consist of?
2% of 100 dissolved solutes
What is required of the cells to maintain homeostasis?
Constant nutrition and waste removal.
(The heart will pump blood through the vessels and the blood delivers nutrients and removes waste product throughout the body.)
What types of cells make up the tissue? Also known as the FORMED ELEMENTS.
Plasma, Erythrocytes (RBC's), Leukocytes (WBC's), and platelets
15 days
Describe the difference in the colors of blood
High oxygen levels = Scarlet red
Low oxygen levels = dark red
What are the 3 plasma proteins (most abundant) found in blood? Where are they produced mostly from?
Albumin 60%
Globulins 36%
Fibrinogen 4%
Liver
What does the hemoglobin carry to other organ systems in the body?
Oxygen
Once centrifuged, what is the composition of the formed elements?
RBC's 45% (most dense, bottom layer)
Plasma 55% (least dense top layer)
WBC's and platelets <1% ( middle layer)
In adults, where does most hematopoiesis take place?
(remember all blood formation occurs in red bone marrow)
Axial skeleton, girdles, and proximal epiphyses of humerus and femur
What percentage does blood make up of total body weight?
8%
Remaining 2%
-Nutrients
-Wastes
-Gases
-Electrolytes
-Hormones
What is the physiology of blood?
Transports nutrients, gases, waste products and hormones
Plays a role in the immune response
Plays a role in the body temperature regulation
Name the test that measures the proportion of red blood cells in your blood?
Hematocrit
What kind of tissue is red bone marrow composed of?
reticular connective tissue and blood sinusoids