blood vessels + BLOOD

Question 1

features of ARTERIES

Answer 1

-oxygenated blood away from heart expert for pulmonary artery
-thick walls with high pressure
-fast flow
-small lumen

Question 2

features of VEINS

Answer 2

-Carrys deoxygenated blood towards the heart(except for pulmonary vein)
-slow speed
-large lumen
-thin walls

Question 3

features of CAPILLARIES

Answer 3

-walla are one-cell thick to allow ease of diffusion
-very leaky
-both deox and ox blood within tissues.
-slow flow

Question 4

function of hepatatic artery

Answer 4

carry oxygenated blood away from heart to liver

Question 5

hepatitis vein

Answer 5

deoxygenated blood towards heart form liver

Question 6

hepatitis portal vein

Answer 6

carries deoxygenated blood from the guts to the liver

Question 7

what is blood made of

Answer 7

red blood cels, platelets,plasma

Question 8

what does plasma transport?

Answer 8

urea,co2,hormones,mineral ions, heat energy, nutrients

Question 9

what is phagocytis?

Answer 9

the process whereby pathogens are engulfed and digested

Question 10

lymphocytes

Answer 10

-produce antibodies which kill pathogenic cells
-produce antitoxins to neutralise the toxins released by pathogens