Click the correct answer.
The blood from the heart is transported to all parts of the body by the
.
arteries
capillaries
vein
atrium
Haemoglobin is present in
.
white blood cells
platelets
aorta
red blood cells
Arteries and veins are joined by a network of
.
atrium
capillaries
ventricle
auricle
The rhythmic expansion and contraction of the heart is called
.
movement
pumping
heartbeat
vibration
Blood cells that help in clotting are
.
red blood cells
white blood cells
platelets
none of these
