Heart beats originates from
pace maker
cardiac muscles
left atrium
right ventricle
A.
pace maker
Cardiac impulse (heart beat) normally originate from the pace-maker (SA node).
Earthworms are economically important for man as these are used as
bait for catching fish
food of poultry
medicine for gout
All of the above
The instrument used for measuring blood pressure is
electrocardiograph
X-rays
sphygmomanometer
electroencephalograph
Posterior pituitary gland
produces and store hormones
stores 6 trophic honnones
stores and releases ADH and oxytocin
release and store growth and thyroid stimulating hormone