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Gr 11 Bio

Systems - Respiratory + Circulatory

QuestionAnswer
What is the function of the respiratory system? To allow gas exchange + provide the body w/ oxygen
What processes are involved in the respiratory system? Breathing (Inhaling + Exhaling) and Gas Exchange
What is gas exchange? Removing CO2 from the body and replacing it with O2
Filters, Warms + Moistens air Nasal Cavity
Blocks airway while swallowing Epiglottis
Allows sound to be created Larynx
Rings of cartilage leading to lungs Trachea
When the trachea splits into 2 (1 per lung) Bronchi
Smaller branches off the main bronchi Bronchioles
Where gas exchange occurs in the lungs Alveoli
gas exchange involves ______ and ______? Alveoli + Capillaries
Allows the lungs to expand and collapse again Diaphragm
What are the 4 purposes of the circulatory system? Transport gases, waste, + hormones + to control body tem
What are the 3 key parts to the circulatory system? A pump (heart), A pathway (vessels), and a fluid (blood)
What are the 5 components of blood? Plasma, RBC's, WBC's, Hemoglobin, Platelets
Fluid component of blood Plasma
Carry oxygen RBC's
Gives blood it's red colour Hemoglobin
Physical Description of Arteries Thick Layers of Muscle
Where do arteries take blood? Away from heart (to body)
Oxygenated blood is found in the ___ arteries
Deoxygenated blood is found in the ___ Veins
Where do veins take blood? Into the heart
What is the physical description of veins? Thinner + less muscle, one way valves
What are the 2 uses of capillaries? To join arteries + veins , and to conduct gas exchange
Where do you feel a pulse? Arteries
Where is blood drawn from? Veins
What causes bruises Broken Capillaries
Pulmonary ____ + _____ Veins + arteries
The upper parts of the heart Atrium
Lower parts of the heart Ventricles
Valve on the left side of the heart Tricuspid Valve
Valve on the right side of the heart Bicuspid Valve
Takes oxygenated blood to the body Aorta
Created by: mollymurphy
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