Unit 4: Cardiovascular System Flashcards
- Liquid connective tissue
Blood
What are the three general functions of the blood?
Transportation
Regulation
Protection
Function of blood where blood transports oxygen from the lungs to the cells of the body and carbon dioxide from the body cells to the lungs for exhalation.
Transportation
In transportation, blood carries:
Gases
Nutrients
Hormones
Waste Products
Function of blood where circulating blood helps maintain homeostasis of all body fluids.
Regulation
In regulation, blood regulates:
pH
Body temperature
Osmotic Pressure
Function of blood where blood can clot (become gel-like), which protects against its excessive loss from the cardiovascular system after an injury.
Protection
In protection, blood components that protect the body are:
Clotting
White Blood Cells
Proteins
What are the components of blood?
Blood plasma Extracellular Matrix (ECM) Formed elements (Cells and Cell fragments)
A watery liquid extracellular matrix that contains dissolved substances.
Blood plasma
- A three-dimensional network that provides structural and biochemical support to surrounding cells.
Extracellular Matrix (ECM)
What are the formed elements in the blood?
Red Blood Cells
White Blood Cells
Platelets
How much of the blood makes up the whole body weight?
8%
What makes up the whole blood?
Blood plasma (55%) Formed Elements (45%)
What makes up the blood plasma?
Water (91.5%)
Proteins (7%)
Other Solutes (1.5%)