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Anatomy
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Anatomy
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Untitled Deck
Study
1
Question
Functions of the Circulatory system
Answer
Transportation, Protection, Regulation
2
Question
Components of the Circulatory system
Answer
Heart, Blood vessels, Blood
3
Question
Cardiovascular system refers to
Answer
Heart and blood vessels
4
Question
Single celled organisms meet their needs by
Answer
Diffusion through plasma membranes
5
Question
Larger animals have cells that are too far from the surface so they need
Answer
Blood vessels
6
Question
Purpose of blood
Answer
Transportation, Protection, Regulation
7
Question
Transportation function of blood
Answer
Carries oxygen, nutrients, metabolic waste, hormones, and stem cells
8
Question
Protection function of blood
Answer
Destroys microorganisms and cancer cells, neutralizes toxins, initiates blood clotting
9
Question
Regulation function of blood
Answer
Maintains fluid balance, stabilizes pH, regulates body temperature
10
Question
Components of blood
Answer
Plasma, Red blood cells, White blood cells, Platelets
11
Question
Plasma
Answer
Clear, light-yellow fluid that forms the extracellular matrix of the tissue
12
Question
Formed elements in blood
Answer
Cells and cell fragments
13
Question
Red blood cells
Answer
Most abundant formed elements, pick up oxygen and carbon dioxide
14
Question
Hematocrit
Answer
Percentage of whole blood volume occupied by red blood cells
15
Question
Blood plasma
Answer
Complex mixture of water, proteins, nutrients, wastes, hormones, and gases
16
Question
Proteins in blood plasma
Answer
Albumin, Globulins, Fibrinogen
17
Question
Albumin
Answer
Smallest and most abundant plasma protein, transports solutes, contributes to blood viscosity and osmolarity
18
Question
Viscosity
Answer
Thickness or stickiness of fluid
19
Question
Osmolarity
Answer
Concentration of particles that cannot pass through blood vessel walls
20
Question
Globulins
Answer
Important for immunity, clotting, and transport
21
Question
Fibrinogen
Answer
Soluble precursor for fibrin, forms the framework for blood clot
22
Question
Production of formed elements
Answer
Hematopoiesis
23
Question
Red blood cells (RBC)
Answer
Pick up oxygen and carbon dioxide, lack organelles and nucleus
24
Question
Erythropoiesis
Answer
Production of red blood cells
25
Question
Hemoglobin
Answer
Red iron-containing protein, transports oxygen and carbon dioxide
26
Question
Erythrocyte life cycle
Answer
Average lifespan of 20 days, produced in red bone marrow
27
Question
Hematopoietic stem cell (HSC)
Answer
Bone marrow stem cell that produces formed elements
28
Question
Erythropoietin (EPO)
Answer
Hormone that stimulates red blood cell production
29
Question
Hemolysis
Answer
Rupture of red blood cells
30
Question
Blood types
Answer
Determined by antigens on the surface of cells