CIRCULATION AND DIGESTION Flashcards
What is blood?
A red viscous liquid that circulates through the circulatory system
Blood components
Is composed of PLASMA (liquid) and BLOOD CELLS
The 3 types of BLOOD CELLS
ERYTHROCYTES (red blood cells)
LEUKOCYTES (white blood cells)
THROMBOCYTES (platelets)
Characteristics of ERYTHROCYTES
NO Nucleolus and HAEMOGLOBIN (transport oxygen)
Function of ERYTHROCYTES
TRANSPORT O2 and CO2
Characteristics of LEUKOCYTES
LARGE and MANY LIMOSOMES
Function of LEUKOCYTES
Fighting MICROORGANISM
Characteristics of THROMBOCYTES
Cell FRAGMENTS
Function of THROMBOCYTES
Stopping HAEMORRHAGE
3 main types of BLOOD VESSELS
Arteries, Veins and Capillaries
Function of ARTERIES
Carrying blood AWAY from the heart
Function of VEINS
Carrying blood BACK to the heart
Where is located the HEART?
between LUNGS and THORACIC CAVITY
what is the Function of the HEART?
PUMPING blood
The walls of the heart are made of…?
MYOCARDIUM
where is located the CAVA vein?
is located in the RIGHT ARTRIUM
where is located the PULMONARY vein?
is located in the LEFT ARTRIUM