Blood Notes Flashcards
1
Q
Blood transports? (function)
A
- gases, nutrients, waste products
- processed molecules
- regulatory molecules
2
Q
Functions of blood?
A
- Regulation of pH and osmosis
- maintenance of body temp.
- protection against foreign substances
- clot formation
3
Q
2 major components of blood
A
- liquid plasma (55%)
- formed elements (45%)
4
Q
Erthyrocytes
A
- red blood cells (RBC)
5
Q
Leukocytes
A
-white blood cells (WBC)
6
Q
Platelets
A
- fragments or megakaryocytes in marrow
7
Q
Blood Plasma Components
A
- 90-92% water
- 2-6% proteins
- Albumins
- Globulins
- Fibrinogen
8
Q
ALbumins
A
maintains osmotic pressure of blood
9
Q
Fibrinogen
A
- a clotting protein
10
Q
Erythrocytes Functions
A
- dedicated to respiratory gas transport
- hemoglobin binds with oxygen
11
Q
Composition of Hemoglobin
A
4 globin molecules: transport carbon dioxide
4 heme molecules: transport oxygen (iron required)
12
Q
Erythrocytes Life span
A
100-120 days
3-4 moths
13
Q
Leukocytes Functions
A
-protects body against mircroorganism and removes dead cell and debris.
14
Q
Types of Leukocytes
A
- neutrophils
- eosinophils
- basophils
- lymphocytes
- monocytes
15
Q
neutrophils
A
most common, phagocyte cells destroy bacteria (60%)