blood-cardio vascular

Question 1

describe the structure of veins

Answer 1

thin walls, with valves to stop the backflow of blood,

Question 2

what pressure and what type of blood do veins carry? where too?

Answer 2

low pressure,deoxygentated blood towards the heart

Question 3

describe the structure of arteries

Answer 3

thick and muscular walls

Question 4

what pressure and what type of blood do arteries carry? where too

Answer 4

extremely high pressure, oxygenated blood, away from the heart toward the lungs

Question 5

describe the structure of capillaries

Answer 5

very thin (1 cell thick) wall

Question 6

what pressure and what type of blood do capillaries carry? where too?

Answer 6

very low pressure, diffusion so no particular type, all around the body

Question 7

what is vascular shunt

Answer 7

sending extra blood to the correct muscles during an exercise and taking it away from others that are not being used as much

Question 8

what is vosodilation

Answer 8

widening of blood vessels

Question 9

what is vasoconstriction

Answer 9

narrowing of blood vessels

Question 10

which side of the heart holds oxygenated blood

Answer 10

left

Question 11

which side of the heart holds deoxygenated blood

Answer 11

right

Question 12

in order, the 4 main parts of the right side of the heart in which blood flows

Answer 12

vena cava, right atrium, right ventricle, pulmonary artery

Question 13

in order, name the 4 parts in which the blood flows on the left side of the heart

Answer 13

pulmonary vein, left atrium, left ventricle, aorta

Question 14

what is narrowing of blood cells called

Answer 14

vasoconstriction

Question 15

what is widening of blood vessels called

Answer 15

vosodilation

Question 16

which vessel had 1 cell thick walls

Answer 16

capillaries

Question 17

which vessel travels at high pressure

Answer 17

arteries

Question 18

which vessel has valves to stop the backflow of blood

Answer 18

veins

Question 19

in the cardiac cycle, what is the order in which oxygenated blood flows

Answer 19

lungs, pulmonary vein, left atrium, left ventricle, aorta, the body, gas exchange to become deoxygenated

Question 20

in the cardiac cycle what is the order in which deoxygenated blood flows

Answer 20

body, vena cava, right atrium, right ventricle, pulmonary artery, lungs, gas exchange to become oxygenated

Question 21

during gas exchange what happens to oxygenated and deoxygenated blood

Answer 21

diffusion and gas exchange

Question 22

what are the 4 types of blood cells

Answer 22

red cells, white cells, plasma, platelets

Question 23

what do red blood cells do?

Answer 23

carry oxygen and remove carbon dioxide

Question 24

what do white blood cells do

Answer 24

protect the body against infectious diseases

Question 25

what is the role of plasma

Answer 25

helps blood to clot

Question 26

what is the role of platelets

Answer 26

to prevent bleeding out