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Blood

Blood and blood vessels

QuestionAnswer
What is the name of a blood vessel that carries blood away from the heart? ARTERY
What is the name of a blood vessel that carries blood back to the heart? VEIN
What is the name of the blood vessels which are only one cell thick? CAPILLARY
Give one difference between an artery and a vein. ARTERY HAVE A THICKER WALL. Veins have got valves
Why is there valves in veins or in the heart? to prevent blood from flowing back
What happens when the blood vessel around the heart are thickening? LESS BLOOD, LESS OXYGEN, MUSCLE DOES NOT WORK, HEART FAILURE
Which type of blood vessel carries blood away from the heart artery (Artery=Away)
Which type of blood vessel connects artery to vein capillary
Which type of blood vessel carries blood back into the heart vein (VeIN=INto the heart)
Which type of blood vessel carries blood to and from cells capillary
Which type of blood vessel carries blood at high pressure artery (the walls are arteries are thicker to withstand pressure)
Which type of blood vessel carries oxygen-rich blood from heart to the body artery
Which type of blood vessel has a thin wall made of single layer of cells capillary
Which type of blood vessel has thin walls and contains valves veins
Which type of blood vessel carries oxygen-poor blood from cells to the heart veins
Which type of blood vessel carries blood at low pressure veins (there are valves in the veins to prevent the blood from flowing backwards)
Which type of blood vessel has thick elastic and muscular walls artery
Which type of blood vessel has thin walls so that substances can be exchanged between blood and cells capillary
What is the name of the pale yellow liquid in the blood? PLASMA
What substance are carried in the plasma? Carbon Dioxide and nutrients
What is the name of the blood cells that carry the oxygen? RED BLOOD CELLS
What is the name of the blood cells that takes care of viruses and bacteria? WHITE CELLS
What is the name of the chemical inside the red blood cell that will carry the oxygen? HAEMOGLOBIN
How is a red blood cell adapted to its job? it has no nucleus and a wide surface area for the Oxygen molecule to bind onto
Why does blood returning to the heart from the body cells contains a higher percentage of CO2 than when it left the heart? CO2 is produced by cells during respiration; CO2 diffuses from cells into blood and CO2 will dissolves in the plasma
What do red blood cells (aka RBC) do as they flow through capillaries around the lungs? the RBC pick up Oxygen
How does blood flow through arteries? fast and high pressure
How does blood flow through veins? slow and at low pressure
What type of blood vessels does blood flow through organs’cells? capillary
What is the job of valves in veins and in the heart? to prevent the blood from flowing backwards
Which part of the blood helps you fight diseases? White Blood cell
Which part of the blood helps the blood clot? Platelet
Which part of the blood helps you carry Carbon Dioxide? Plasma
Which part of the blood helps you carry oxygen? Red Blood cell
Name at least two other things (other than Carbon Dioxide) that are dissolved in the plasma sugar,amino acids and fatty acids (ie digested food), antibodies, hormones
Why is it important for a red blood cell to be small and flexible? so that the RBC can pass through the tiny capillary
What feature of a vein prevent the blood from flowing backwards? Valve
What feature of an artery helps it withstand pressure? Thick walls
Explain how the oxygen goes from the capillary into a cell the oxygen will diffuse from the capillary (HIGH concentration) into the cell (LOW concentration)
What is the lumen in a blood vessel? a hollow passageway through which blood flow
State two ways in which the structure of an artery differs from the structure of a vein An artery has thicker wall; thicker muscle; more elastic tissue; smaller lumen
Which blood vessel has a larger lumen (a hollow passageway through which blood flow)? Explain why The veins: their walls are considerably thinner and their lumens are correspondingly larger in diameter, allowing more blood to flow with less vessel resistance.
Created by: ursulinebio
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