Energy Budgets & Diet Every cell needs a constant supply of energy to fuel metabolic processes; this energy is released during the process of respiration Organisms therefore need to take in eno...
Treatment of CVD While reducing the risk factors and lowering the risk of developing cardiovascular disease (CVD) is the best option, CVD is still very common and treatment options are needed There...
Interpreting Quantitative Data from Studies Analysing data on illness and mortality Analysing data on illness and mortality is an essential part of the study of risk factors It is important to reme...
Cardiovascular Disease There are many lifestyle factors that can increase the risk of cardiovascular disease (CVD) CVD is a general term for conditions affecting the heart and blood vessels It is u...
Blood Clotting Blood clotting is an important process; it prevents excess blood loss, the entry of pathogens, and provides a barrier, or scab, under which wound healing can occur A break in the muc...
Atherosclerosis There are a number of diseases of the heart, or cardiovascular diseases, that can affect blood vessels in different ways Atherosclerosis, also known as hardening of the arteries, is...
Investigating Heart Rate There are a wide range of factors that influence the heart rate of an organism Experiments can be designed to investigate the effect of a named variable on an organism's he...
Cardiac Cycle The cardiac cycle is the series of events that take place in one heart beat, including muscle contraction and relaxation The contraction of the heart is called systole, while the rela...
Blood Vessels: Structure & Function The body contains several different types of blood vessel Arteries: transport blood away from the heart, usually at high pressure, to the tissues Remember; a...
