TEST 6 - Mix 2020 Flashcards
What does the cardiovascular system do? (4)
Transport food molecules broken down in digestion (1) to all the 37 trillion cells (1) where they’re broken down to release energy in their bonds (1)
What kind of tissue is blood? (1)
Connective
What % of the blood that leaks out of the capillaries returns via the venules? (1)
85%
What % of the blood that leaks out of the capillaries returns via the lymph vessels? (1)
15%
What % of blood is liquid (plasma) ? (1)
55%
What % of blood plasma is water? (1)
92%
What % of the formed elements in blood is white blood cells? (1)
1%
What are the 3 components of formed elements in blood? (3)
Rbcs, wbcs, platelets
Where are the pluripotent stem cells located ? (1)
In bones
How long do red blood cells live? (1)
90-120days
1Why can’t red blood cells repair themselves ? (1)
No nucleus or organelles
Which digestive enzyme is made from haemoglobin? (1)
Bile
What is anaemia? (1)
Reduced oxygen carrying capacity of blood
What is haemophilia? (1)
Inherited deficiency of clotting causing spontaneous bleeding on minor trauma
What is jaundice and what causes it? (2)
Yellowing of skin and eyes due to bilirubin in blood
What are leucocytes?(1)
Wbc’s