The heart

Question 1

4 components of blood

Answer 1

red blood cells, white blood cells, plasma and playlets

Question 2

function of red blood cells

Answer 2

carry oxygen to the tissues of the body

Question 3

what chemical is used to absorb carbon dioxide in the reputation diré pratical

Answer 3

soda lime

Question 4

function of platlets

Answer 4

form blood clots and prevent bleeding

Question 5

function of plasma

Answer 5

the solution the other blood cells are suspended in, also carries dissolved substances

Question 6

3 main types of blood vessel

Answer 6

artery, vein, capillary

Question 7

what blood vessel contains valves

Answer 7

veins

Question 8

what structural feature do artery’s have to prevent r rupture and allow them to carry high pressure blood

Answer 8

thick muscular and elastic walls

Question 9

word equation for anaerobic respiration

Answer 9

glucose -> lactic acid +energy

Question 10

what apparatus is used to determine rate of respiration of organisms

Answer 10

respirometer

Question 11

two chambers in the heart called

Answer 11

atrium and ventricles

Question 12

what blood vessel takes blood from the lungs to the left atrium

Answer 12

pulmonary vein

Question 13

double circulatory system

Answer 13

contains two loops, pulmonary and systemic

Question 14

which side of the heart is thickest why

Answer 14

left, pump blood over a greater distance

Question 15

equation for cardiac output

Answer 15

cardiac output= heart rate X stroke volume

Question 16

4 ways the alveoli are adapted

Answer 16

thin walls, moist lining, rich blood supply and large surface area

Question 17

does a high or low surface area to volume ratio allow for faster gas exchange

Answer 17

high

Question 18

word equation for aerobic respiration

Answer 18

glucose+ oxygen -> carbon dioxide + water + energy

Question 19

symbol equation for aerobic respiration

Answer 19

C6 H12 O6 -> CO2 + H2O

Question 20

in relation to energy transfer types what type of reaction is aerobic respiration

Answer 20

exothermic