One of these parts does not belong to the human circulatory system:
1) The heart
2) The kidney
3) The arteries
4) The ventricles
What is the main function of the arteries?
1) To carry oxygen from the lungs to the brain.
2) To transfom carbon dioxide into oxygen.
3) To carry blood to all parts of the body.
4) To pump blood to the brain.
What does the human circulatory system consist of?
1) Blood, veins and arteries.
2) Blood vessels, blood and heart.
3) Capillaries, veins and arteries.
4) Atria and ventricles.
Capillaries pour the following into interstitial plasma:
A_ Waste.
B_Carbon dioxide.
C_ Oxygen and nutrients.
The organ that pumps blood is the:
A_ The lungs.
B_ The head.
C_ The heart.
D_ The blood vessels.
The capillaries are parte of the :
Respiratory system.
Circulatory system.
Digestive system.
The valves appear in:
A_ Veins and arteries.
B_ Heart and arteries.
C_ Veins and heart.
One of the functions of the lymphatic system is:
A_ Collecting the excess interstitial plasma between cells and returning it to the blood.
B_ Collecting the excess lymph between cells and returning them to the blood.
C_ Collecting the excess blood between cells and returning it to the circulatory system.
Where do lymph vessels lead?
A_ To the circulatory system.
B_ To the lymph nodes.
C_ To the lymph capillaries.
What kind of cells are in the lymph?
A_ White blood cells.
B_ Red blood cells.
C_ Platelets.
