exam yr 10 Flashcards
Motion
when an object changes its position
Linear motion
one dimensional motion along a straight line
Force
influence that can change motion of object
Summation of force
combination of forces produced by different parts of the body.
simultaneous and sequential
4 components of blood
Plasma
platelets
Red blood cells
white blood cells
Diffusion
oxygen enters blood stream through capillaries and carbon dioxide leaves the blood stream.
Agonist muscle
contracts to move limb
Antagonist
contracts to return limb to starting position
Angular motion
moves along curved path
General
combination of linear and angular motion
Heart rate
speed of heart beat
Stroke volume
volume of blood pumped from the left ventricle per beat
Cardiac output
volume of blood pumped by heart per unit time
Blood pressure
pressure of blood
Systolic pressure
pressure during heartbeat
Diastolic pressure
blood pressure during pause in heartbeat.
Cardiovascular endurance
measure of how well you can do exercises that involve your whole body at moderate high intensity for extended time
Muscular endurance
ability to continue contracting a muscle, or group of muscles over period of time
Muscular strength
amount of force you can put out or the amount of weight you can lift
Flexibility
ability of a joint or series of joints to move through an unrestricted, range of motion.
Power
amount of energy transformed per unit time
Speed
ability to move body as quickly as possible
Agility
ability to rapidly change position of entire body in space with speed and accuracy
Balance
ability to maintain an upright position
