Circulation Flashcards
Red blood cells
Haenoglobin to carry oxygen,no nucleus,disc shaped,made in the bone marrow
White blood cells
Fight infection,produce antibodies,nucleus present,no definite shape
Platelets
Blood clotting,no nucleus fragments of cells
Functions of blood
Transport,defence,clotting
Transport in blood
Carries oxygen to cells and carbon dioxide
Three types of blood vessels
Arteries,capillaries and veins
Arteries
Carries blood away
Veins
Bring blood to the heart
Capillaries
Connect arteries and veins
Cardiac muscle
A muscle found In walls
Four chambers in the heart
Right and left atria,right and left ventricle
Left ventricle has a thicker wall because
The left ventricle has to pump blood all around the body
Normal body temperature
37°
Resting pulse rate
A normal heart rate
Heart disease is prevented by
Being healthy