Midterm | Blood Flashcards
Blood is a (1) that consists of cells surrounded by a/n (2).
- liquid connective tissue
- liquid extracellular matrix
Functions of blood
- Transportation
- Regulation
- Protection
Distribution of body solids and fluids in average lean, adult female and male
FEMALE
Solids: 45%
Liquids: 55%
MALE
Solids: 40%
Liquids: 60%
TOTAL BODY FLUID
2/3 Intercellular fluid
1/3 Extracellular fluid (80% interstitial fluid, 20% plasma)
Denser and more viscous than water
Blood
Temperature of blood
38 degrees Celsius
pH of blood
Alkaline (7.35-7.45)
Color of blood
▪ Bright red: oxygenated
▪ Dark red: unsaturated with O2
Volume of blood
▪ Male: 5-6 liters
▪ Female: 4-5 liters
Components of blood
- Blood plasma (55%)
a. Proteins
b. Water
c. Other solutes - Formed elements (45%)
a. Platelets
b. White blood cells
c. Red blood cells
Substances in Blood Plasma
Water (91.5%)
Plasma proteins (7%)
a. Albumins (54%)
b. Globulins (38%)
c. Fibrinogen (7%)
d. All others (1%)
Other solutes (1.5%)
a. Electrolytes
b. Nutrients
c. Gases
d. Regulatory substances
e. Waste products
Liquid portion of blood
Water (91.5%)
Substance of blood plasma most produced by liver
Plasma proteins (7%)
Smallest and most numerous plasma proteins
Albumins
Large proteins (plasma cells produce immunoglobulins)
Globulins
Large protein
Fibrinogen
Inorganic salts; positively charged (cations) Na+, K+, Ca2+, Mg2+; negatively charged (anions) Cl−, HPO42−, SO42−, HCO3−.
Electrolytes
Products of digestion, such as amino acids, glucose, fatty acids, glycerol, vitamins, and minerals.
Nutrients
O2, CO2, N2
Gases
Enzymes, Hormones, Vitamins
Regulatory substances
Urea, uric acid, creatine, creatinine, bilirubin,
ammonia
Waste products
Red blood cells other term
Erythrocytes
Erythrocytes appearance
Biconcave discs
Erythrocytes diameter
7-8 micrometer
What do RBCs lack?
Nucleus and other organelles
RBCs are specialized for —
oxygen transport
RBCs life span
120 days
White bloods cells other term
Leukocytes
What do WBCs lack and have?
❑ Have nuclei and organelles
❑ No hemoglobin
WBCs Classification
A. Granular
▪ Neutrophils
▪ Eosinophils
▪ Basophils
B. Agranular
▪ Lymphocytes
▪ Monocytes
Types of WBCs
- Neutrophils
- Basophils
- Eosinophils
- Monocytes
- Lymphocytes
Lobe(s) and function of NEUTROPHILS
❑ 2-5 lobes of nucleus
❑ Phagocytosis and destruction of bacteria and fungi