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Circulation & Immune

Circulation & Immunity

QuestionAnswer
Intracellular: The movement of material inside the cell. Ex: Endoplasmic Reticulum, or Passive and Active transport.
Extracellular: The movement of materials outside of the body cells, but still inside our bodies. This mostly happens by the movement of the blood.
No Circulatory System: Single or few celled organisms rely directly on diffusion and active transport with their environment
Open Circulatory System: These organisms have blood, blood vessels and a way to move the blood, BUT the blood washes over the organs and exchanges materials directly.
Closed Circulatory System: All blood is contained in blood vessels. Exchange of materials must pass through the thin walled blood vessels called Capillaries
Artery: Carry blood AWAY the heart.
Vein: Carry blood BACK to the heart.
Capillary: Are tiny, one cell layer thick blood vessels. They are the ONLY place where materials diffuse between the body and blood!
Red Blood Cells: Carry oxygen and carbon dioxide.
White Blood Cells: They fight disease.
Plasma: When in the blood this liquid is called PLASMA! It's a watery material that makes blood a liquid.
Platelets: Are tiny particles that cause blood clots. When there is a break or tear in blood vessel, they "clog up" the tear until the body can make new cells to repair the blood vessel.
ICF(Intra Cellular Fluid): The fluid is "squeezed" out of the blood vessels and into body cavities. The ICF keeps the body moist and washes away any pathogens (or "funk").
Lymph: The lymph goes through lymph nodes that filter it out and then the clean lymphis returned to the blood and called Plasma again!
Created by: mmccrumb15
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