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App Sci revise

Some key points from the spec

QuestionAnswer
Blood vessel that takes blood from the heart ARTERY
Blood vessel that brings blood to the heart VEIN
The smallest type of blood vessel CAPILLARY
Heart muscle, able to beat without any nerve impulses MYOGENIC
One of the top chambers of the heart ATRIUM
One of the largest chambers of the heart VENTRICLE
Takes blood to the lungs PULMONARY ARTERY
Brings blood to the heart from the lungs PULMONARY VEIN
Blood vessel on the surface of the heart, it supplies the heart muscle with oxygen CORONARY ARTERY
Brings deoxygenated blood to the heart VENA CAVA
Takes oxygenated blood to the body AORTA
Arterioles relax their muscles and allow more blood through VASODILATION
Arterioles contract and restrict the flow of blood VASOCONSTRICTION
Type of blood vessel that has a pulse ARTERY
The single layer of cells found in the wall of a capillary ENDOTHELIUM
Blood vessels with the highest pressure ARTERIES
Blood vessels with the lowest blood pressure VEINS
Blood vessels that have valves to help the flow of blood back to the heart VEINS
What happens to the heart rate during exercise INCREASES
One complete heart beat CARDIAC CYCLE
The atria contract during ATRIAL SYSTOLE
The ventricles contract during VENTRICULAR SYSTOLE
Both atria and ventricles relax during GENERAL DIASTOLE
An instrument used to record electrical changes in the heart ELECTROCARDIOGRAM ECG
An instrument used to measure blood pressure SPHYGMOMANOMETER
When the heart beats incorrectly ARRHYTHMIA
The windpipe TRACHEA
The two branches form the trachea to the lungs BRONCHUS
The smaller branches from the bronchi BRONCHIOLES
The 'airsacs' where gaseous exchange takes place ALVEOLI
The single layer of cells that line the alveoli ENDOTHELIUM
Oxygen moves into the blood from the air and CO2 moves from the blood into the air GASEOUS EXCHANGE
The gas that is carried by red blood cells around the body OXYGEN
A waste gas produced by the cells CARBON DIOXIDE
The liquid that collects dust and germs from the trachea and bronchi MUCUS
Cells that make mucus GOBLET CELLS
Tiny structures in the trachea and bronchi that move mucus away from the lungs CILIA
A condition in which the surface area of the lungs is greatly decreased by permanent damage EMPHYSEMA
A condition in which the bronchioles constrict to stop air being easily breathed in and out ASTHMA
The liquid that stops the alveoli sticking together SURFACTANT
The sheet of muscle that flattens to allow inhalation DIAPHRAGM
The muscles between the ribs that contract to lift the ribs and allow inhalation INTERCOSTAL MUSCLES
The apparatus that is used to measure the volume of air breathed in and out over time SPIROMETER
A small piece of apparatus that you blow hard into; used to measure the force of exhalation PEAK FLOW METER
The volume of air breathed in and out normally TIDAL VOLUME
The maximum volume of air that can be breathed in and out VITAL CAPACITY
The substance inside red blood cells that carried the oxygen around the body HAEMOGLOBIN
Red blood cells ERYTHROCYTES
The most numerous cells in our blood RED BLOOD CELLS
The white blood cells, used to fight disease LEUCOCYTES
The liquid in the blood, in which the blood cells are suspended PLASMA
Used to see bone structure; very damaging used too frequently X RAYS
Uses a big magnet to see soft tissues in the bosy; very noisy and claustrophobic MRI
A functional MRI, can see which parts of the brain are working. fMRI
CAT SCAN
Liquids that can be drunk, or injected into the blood, show up on X rays RADIOACTIVE TRACERS
Measured in arteries, how often the heart beats PULSE RATE
Used to count blood cells; include those on the top and left of the grid block HAEMOCYTOMETER
Created by: carolannaston
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