Structure & Function of Blood

Question 1

what does blood do?

Answer 1

transports materials & heat around the body, helps fight protect against disease.

Question 2

what are the components of blood?

Answer 2

red blood cells
white blood cells
platelets
plasma

Question 3

what are red blood cells also known as?

Answer 3

erythrocytes

Question 4

what are white blood cells also known as?

Answer 4

leukocytes

Question 5

what are the types of white blood cells?

Answer 5

lymphocyte
monocyte
eosinophil
basophil
neutrophil

Question 6

describe the structure of RBC.

Answer 6

biconcave shape - maximises s.a for O2 absorption
small & flexible - can fit through narrow blood vessels

Question 7

describe the structure of WBC.

Answer 7

various structures - granular cytoplasm, large nucleus, lobed nucleus

Question 8

describe the structure of platelets.

Answer 8

fragments of cells with proteins attached to surface - allows them to stick together (clot)

Question 9

describe the structure of plasma.

Answer 9

clear, pale straw coloured liquid which makes up the fluid component of blood

Question 10

whats the function of RBC?

Answer 10

O2 deliverers
carry back waste gases or CO2
contain haemoglobin - no nucleus so they can carry more

Question 11

whats the function of WBC?

Answer 11

defend body against disease
consists of b lymphocytes & t lymphocytes

Question 12

whats the function of platelets?

Answer 12

make up rest of blood, help repair your body by stopping bleeding

Question 13

whats the function of plasma?

Answer 13

liquid part of blood that helps transport material (hormones, CO2 & waste)

Question 14

what does WBC consist of?

Answer 14

b lymphocytes
t lymphocytes

Question 15

what do T lymphocytes do?

Answer 15

initiate immune response

Question 16

what do B lymphocytes do?

Answer 16

make anti bodies

Question 17

what is the process of the formation of blood?

Answer 17

haemopoiesis