Lesson One- Pre-university
Aerobic  = (exercise) done to increase the amount of oxygen in the body                                                         
agree with = be of the same opinion                      
alive  = living; in existence                                       
ankle  = joint connecting the foot with the leg                        
basis  = the central and most important part of sth                
be fit =be the right size and shape                       
 bend  = (cause to) move away from an upright or straight position
blood  = red liquid flowing through the body                         
 bone  = any of the hard parts in the body that form the skeleton     
bother  = cause trouble or annoyance
brain  = organ in the body that controls thoughts and feelings       
breathe  = take air into the lungs and send it out again                                                        
carry  =take from one place to another                         
chemical  = substance; relating to chemistry
chest  = upper front part of the body                       
cleanliness  = state of being clean                           
club =building where group of people meet for sport                
common  =usual                                   
compare = find the difference and similarities          
comparison = likeness when compared with; similarities & differences between things
condition  = situation                                
create = cause to exist; produce; make         
cue =signal                                                   
define = give the meaning of; explain exactly
definition = a statement giving the meaning sth                                       
details = small particular facts or items                       

develop = grow or bring to a more advanced stage
discuss =talk about                                    
efficiently = well                                   
endorphin =chemical occurring in the brain that causes happiness
excellent = very good                                          
explain = make (sth) clear                               
extra = more than needed                                       
fat = yellow substance under the skin                               
fear = the feeling you get when you are afraid; be afraid
flexible =easily changed without breaking
focus = center of attention; concentrate on  
fresh = new                                                 
fuel = material burned to produce heat    
function = operate; work                
general = affecting all or most; not detailed                
get into sth = start sth                                    
habit = person's usual action or behavior  
hardworking = working very hard                    
harm  = damage; injury                                
health = state of being well                               
heart = organ inside the body that sends blood all over the body       
hill = area of high land; raised part of the earth's surface            
 in addition = besides; as well                                
in other words  = said in a different way                   
increase = become greater in number; rise
injury = harm, damage                                   
joint = place where two bones meet                            
keep in shape  = not lose the shape                
keep safe = protect                                       
key word = very important word                              
knee = the place where the legs bend       
lift = raise to a higher level                                 
link = relate; relation                    
lose weight = (of a person) become lighter                     
lung = either of the two breathing organs in the chest                
material = substance of which a thing is made
mind =way of thinking; mental ability                        
notice = see; observe                 
nutrient =substance needed for life and growth       
object = thing (that can be seen or touched)                   
on your own = by yourself                               
organ = part of the body that has a special purpose                 
over and over = many times                        
partner = person who takes part in an activity with others
physical education=training and practice in sports
pick up = lift sth; raise                               
protect = keep safe (from harm, injury)                    
pump =force to move in a special way                          
quality =standard of goodness; characteristic               
reason = cause; fact that explains why sth happens             
reasonable = right; wise; fair                    
regularly = repeatedly at times                      
release =set free                               
rely on = depend on
repetitive = having repeated actions                           
rest = period of being asleep or not active
restate = state again or in a different way                
skin = outer covering of the body                                  
skull=bony framework of the head                       
slip = lose one's balance slightly                         
stairs = series of steps between floors                         
store = collect and keep                                      
straight =not bent                                    
stretch = make wider, longer by pulling 
support = help
trouble =pain or difficulty                         
unfamiliar = not well known                               
vessel = tube that carries liquid through body