Ib sehs unit 2 graded a Study guides, Class notes & Summaries

IB SEHS Unit 2 Graded A+ 2.1.1 - List the principal structures of the ventilatory system ️Nose, mouth, pharynx, larynx, trachea, bronchi, bronchioles, lungs and alveoli 2.1.2 - Outline the functions of the conducting airways ️- Low resistance pathway for airflow - Defence against chemicals and other substances which are inhaled - Warming and moistening the air Pulmonary ventialation ️Inflow and outflow of air between the atmosphere and lungs (breathing) Total lung capacity ️Vo...

IB SEHS Unit 4.3 Already Graded A+ Force ️The mechanical interactions with 2 objects or bodies Speed ️The distance that an object travels per unit of time Velocity ️The distance that an object travels per unit of time in a certain direction Displacement ️How far and what direction is it from the starting point Accelaration ️Change in velocity over a certain amount of time Impulse ️Force multiplied by the time it acts Centre of mass ️The point of which an object is bal...