The Circulatory System (Junior Cert Science): Flashcards
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Practise the cards
10 cards from this deck
Circulatory system components
Circulatory system components
Heart and blood vessels
Plasma composition (%)
Plasma composition (%)
90% water, 10% dissolved substances
Red blood cell pigment name
Red blood cell pigment name
Haemoglobin
White blood cells function
White blood cells function
Fight infection, protect against disease
Platelets function
Platelets function
Help blood clot when vessels damaged
Arteries: wall type & direction
Arteries: wall type & direction
Thick walls, carry blood away from heart
Veins: wall type & direction
Veins: wall type & direction
Thin walls, carry blood towards heart
Capillaries wall thickness
Capillaries wall thickness
One cell thick
Heart muscle type
Heart muscle type
Cardiac muscle
Why left ventricle has thickest muscle
Why left ventricle has thickest muscle
Pumps blood around entire body