Circulating and breathing Flashcards
difference between oxygenated and deoxygenated blood?
the colour
how do u work out maximum heart rate?
220- age
two places where pulse may be felt?
wrist and neck
define heart rate?
number of heart beats in a minute
what type of muscle is the heart?
cardiac
the heart is split into four chambers. what are the upper chambers called?
atrium
what does the heart do in the circulatory system?
pump blood
aerobic respiration equation?
Glucose+oxyden–> energy+water
list functions of the circulatory system?
carries oxygen removes carbon dioxide, carries hormones, maintained temperature prevents infection
cardiac output definition?
the amount of blood pumped by the heart minute
red blood cells
> carry oxygen to cells
removes carbon dioxide
gives blood its colour
white blood cells
> protect us from bacteria
platelets
> clot the blood to prevent germs and infection getting into the body
plasma
> gives blood it consistency
viens
> have thin walls
larger diameter than arteries
carry deoxygenated blood back to the heart