Blood pressure is measured by _________.

Carbonic anhydrous is found in __________.

The blood protein involved in blood coagulation is __________.

Heart beat is initiated in man by __________.

Absence of which factor causes haemophilia?

The nucleus of an element, X₈₄²⁰² emits an alpha particle and then beta particle. The final nucleus formed has an atomic number _________.

Which of the following options are major phagocytic cells?

Blood vessels which bring deoxygenated blood from the muscles of heart are _________.

In the blood bank, donor's blood is treated with .............. chemical to prevent clotting.

Heart of prawn carries ___________.

The radiant energy from the sun is due to ___________.

The half life of a substance is 10 days. If the initial mass is 2 g, how much of the substance will be left after 40 days?

When a running bus stops suddenly, the passengers are jerked forward because ________.

Atoms with the same mass number, but different nuclear charges are called ___________.

The pH of arterial blood is ________.

An open circulatory system occurs in ____________.

Myoglobin is present in _________.

The most massive and solid part of the atom is ___________.

Nucleus consists of ___________.

Photo-electric effect is the phenomenon of __________.

Major proteins involved in the production of antibodies are ___________.

Heart of crocodile is ____________.

The universal recipient blood group is ___________.

Radioactive dating __________.

Which of the following features is of leucocytes?