TRANSPORT IN ANIMALS

Question 1

what do red blood cells do

Answer 1

transport oxygen

Question 2

properties of red blood cells

Answer 2

-contains haeoglobin that binds with oxgen (oxyhaemoglobin)
-no nucleaus-more room for h
-biconcave disc shape aximises surface area
-tiny and flexible(can fit through capillaries)

Question 3

Types of white blood cell

Answer 3

phagocytes-engulf pathogens and digest them
lymphoctes-creates specific antibodies

Question 4

Name the left side of the heart

Answer 4

DEOXYGENATED
-AORTA
-PULMONARY VEIN
-LEFT ATRIUM
-LEFT VENTRICLE

Question 5

Name the right side of the heart

Answer 5

oxygenated blood
-pulmonary artery
-vena cava
-right ventricle
-right atrium

Question 6

what are valves

Answer 6

Prevent backflow of blood

Question 7

What are cornorary arteries

Answer 7

if they a blocked it causes a heart attack and they make up the heart tissues

Question 8

state the properties of arteries

Answer 8

AWAY FROM HEART
-narrow diameterband thick musular walls
-allows to carry blood at high pressures

Question 9

State the properties of capillaries

Answer 9

tiny thin walled vessels
-blood through organs
-large surface area
-oxygen and food material diffuse in
-C02 and waste products diffuse out

Question 10

State the properties of veins

Answer 10

-low pressure
-TOWARDS THE HEART
-thinner muscular walls
-valves