Which part of the human heart carries oxygenated blood?
Pulmonary artery
Hepatic portal vein
Pulmonary vein
Capillary artery
What part of the blood carries minerals, vitamins, sugar, and other foods to the body's cells?
Plasma
Platelets
Red corpuscles
White corpuscles
Which element in the blood is round and colorless?
Red blood cells
White blood cells
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
The internal pacemaker that sets biological rhythms:
is located in the brain.
is located in the heart.
is located in the stomach
does not function in the absence of light or other environmental cues.
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
Artificially acquired immunity is :
is 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 is due to antibodies that are produced in a body other than our own.
Which type of blood vessels carry blood away from the heart?
Veins
Arteries
Capillaries
Arteries, veins and capillaries
What is the organ that pumps blood all throughout the human body?
The lungs
The heart
The kidneys
The blood vessels and capillaries
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.
