Questions and Answers
The major system responsible for distribution and pumping of blood
Circulatory system
Reposible for transporting meterials and immune defence
Blood
Two components of blood
Formed elements and extracellular fluid
Fluid part of the body
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The most abundant cell in the body
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This cell helps in protecting our body against infection agency
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Repond to bacteria and fungal infection
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Aid in allergic infection
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Helps ìn controlling parasitic infection
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Are for vital infection
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Are for chronic infection
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The clotting of blood to stop bleeding
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Has a strong cardiac muscle tissue
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4 chambers of the heart
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Components of blood vessels
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Oxygen-rich blood cells, away from the heart
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Oxygen- poor blood cells, deliever back to the heart
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Connects the arteries and veins
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Two types of circulation loops
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Oxygenated blood is distributed into the body's system
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Refilled with oxygen in replacement of CO²
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Prevent back flow
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The direct measure of pulse rate
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The number of times when your heart beats in a minute
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Donut like but without a hole
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Iron containing protein
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Black is composed of 4 subunit
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Binds oxygen tightly
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Bind to the gases molecule
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Loaded hemoglobin
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Without oxygen
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Study Notes
Circulatory System Overview
- Responsible for distribution and pumping of blood throughout the body.
- Transports materials, nutrients, and provides immune defense.
Components of Blood
- Composed of two main parts: plasma (fluid component) and cellular elements.
- The most abundant cell type in blood: red blood cells (erythrocytes).
- White blood cells (leukocytes) protect against infections.
White Blood Cells Functions
- Respond to bacterial and fungal infections.
- Aid in allergic responses and help control parasitic infections.
- Essential for combating vital infections and chronic health issues.
Blood Clotting
- The process of coagulation stops bleeding, preventing excessive blood loss.
Heart Structure
- Composed of strong cardiac muscle tissue for efficient pumping.
- Features four chambers: two atria and two ventricles.
Blood Vessels
- Includes arteries (carry oxygen-rich blood away from the heart) and veins (transport oxygen-poor blood back to the heart).
- Capillaries connect arteries and veins, facilitating nutrient, gas, and waste exchange.
Circulation Loops
- Two types: systemic circulation (oxygenated blood to the tissues) and pulmonary circulation (blood refilled with oxygen in the lungs).
- Prevents backflow of blood through one-way valves.
Pulse and Heart Rate
- Direct measure of heart rate indicates how many times the heart beats in a minute.
Hemoglobin
- A donut-shaped protein (without a hole) containing iron that binds oxygen tightly.
- Composed of four subunits that facilitate oxygen binding and gas transport.
- Hemoglobin can exist in a loaded form (with oxygen) or unloaded (without oxygen).
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