What is passive immunity?
A short-term immunization induced by the transfer of antibodies
The defense system with which we were born
Immunity that develops with exposure to various antigens
Immunity due to antibodies that are produced in a body other than our own
Why does blood turn dark red as it circulates through the body?
It starts to clot.
It gets old and dirty flowing through the body.
The oxygen in it is replaced with carbon dioxide.
The farther blood is from the heart, the more dark red it is.
Define blood pressure.
Pressure which drives blood round the digestive system
Pressure which drives blood round the respiratory system
Pressure which drives blood round the nervous system
Pressure which drives blood round the circulatory system
What is the function of blood platelet?
Transporting oxygen throughout the body
Fight of diseases or other pathogens that invade the body
Help the blood coagulate, or clot, when necessary
Allows it to flow freely through the various vessels
What is the lymphatic system?
Circulatory system
Immune system
Digestive system
Respiratory system
Which is the cause of coronary heart disease?
Fatty material and other substances form a plaque build-up on the walls of the coronary arteries
Fatty material and other substances form a plaque build-up on the walls of the capillary artery
Fatty material and other substances form a plaque build-up on the walls of the capillary veins
Fatty material and other substances form a plaque build-up on the walls of the venules
What is the circulatory system?
The body's breathing system
The body's system of nerves
The body's food-processing system
The body's blood-transporting system
What is the function of the blood vessels and capillaries?
They pump blood to the heart.
They filter impurities from the blood.
They carry blood to all parts of the body.
They carry messages from the brain to the muscles.
Which element in the blood is round and colorless?
Plasma
Platelets
Red blood cells
White blood cells
White blood cells helps in :
transporting oxygen throughout the body.
fight of diseases or other pathogens that invade the body.
help the blood coagulate, or clot, when necessary.
allows it to flow freely through the various vessels.