Science B4 Biology - Composition Of Blood

Front 1

Blood transports materials and ______around the body, and helps to protect against disease.

Back 1

Heat

Front 2

Blood transports ________ and heat around the body, and helps to protect against disease.

Back 2

materials

Front 3

A straw-coloured liquid that makes up just over half the volume of blood.

Back 3

Plasma

Front 4

Blood transports materials and heat around the body, and helps to protect against __________

Back 4

disease

Front 5

Plasma transports carbon dioxide, digested food, ______, hormones and heat

Back 5

urea

Front 6

Plasma transports carbon dioxide, ___________, urea, hormones and heat

Back 6

digested food

Front 7

Plasma transports _____________, digested food, urea, hormones and heat

Back 7

carbon dioxide

Front 8

Plasma transports carbon dioxide, digested food, urea, ____________and heat

Back 8

hormones

Front 9

Plasma transports carbon dioxide, digested food, urea, hormones and _________

Back 9

heat

Front 10

Red blood cells transport

Back 10

Oxygen

Front 11

What part of the blood ingests pathogens and produces antibodies

Back 11

White blood cells

Front 12

What part of the blood allows it to clot

Back 12

Platelets

Front 13

Red blood cells transport oxygen for

Back 13

aerobic respiration

Front 14

which blood cells able to absorb oxygen in the lungs, pass through narrow blood vessels, and release oxygen to respiring cells?

Back 14

Red

Front 15

name the red protein found in red blood cells which combines with oxygen

Back 15

haemoglobin

Front 16

Do red blood cells have a nucleus?

Back 16

No

Front 17

The flattened disc shape of red blood cells which maximises their surface area for oxygen absorption is called

Back 17

biconcave

Front 18

are red blood cells big or small?

Back 18

small

Front 19

Are red blood cells flexible or rigid?

Back 19

flexible

Front 20

red blood cells have very thin cell membranes to allow oxygen to ________ quickly

Back 20

diffuse

Front 21

Oxygen combines with haemoglobin to form

Back 21

oxyhaemoglobin

Front 22

Blood is a __________ liquid tissue.

Back 22

complex

Front 23

Blood is a complex ____________ _____________.

Back 23

liquid tissue.

Front 24

Blood _____________ oxygen, dissolved substances and heat around the body.

Back 24

transports

Front 25

What makes up 25% white blood cells

Back 25

Lymphocytes

Front 26

Lympocytes are part of the body’s immune system and produce soluble proteins called _____________

Back 26

antibodies

Front 27

antiobodies are soluble _________ produce by Lympocytes

Back 27

proteins

Front 28

Antibodies attach to ?

Back 28

antigens

Front 29

Antigens are substances found on the surface of ________ such as bacteria and other pathogens.

Back 29

cells

Front 30

Different antibodies attach to different antigens. In this way, the body’s immune system can recognise _________ antigens

Back 30

foreign

Front 31

foreignantigens are those that are NOT normally produced by the body, but by _________ instead

Back 31

pathogens

Front 32

Antibodies can ____________ toxins produced by pathogens.

Back 32

neutralise

Front 33

Antibodies cause the destruction of pathogens by: causing bacteria to _________ open and die

Back 33

burst

Front 34

Antibodies cause the destruction of pathogens by: ____________ the pathogen so that it is recognised more easily by phagocytes

Back 34

labelling

Front 35

Antibodies cause the destruction of pathogens by : ____________pathogens together in clumps so that they can be engulfed by phagocytes more easily

Back 35

sticking

Front 36

These engulf and absorb waste material, harmful microorganisms, or other foreign bodies in the bloodstream and tissues.

Back 36

phagocytes

Front 37

About % of the white blood cells are phagocytes

Back 37

70

Front 38

The phagocyte surrounds the bacterial cell, enclosing it in a

Back 38

vacuole

Front 39

What are secreted into the vacuole to destroy the bacterial cell?

Back 39

Enzymes

Front 40

The process of ingesting the pathogen is called?

Back 40

phagocytosis

Front 41

People can be immunised against a pathogen through ?

Back 41

vaccination

Front 42

Different vaccines are needed for different pathogens. For example, the _____ vaccine is used to protect children against measles, mumps and rubella (German measles).

Back 42

MMR

Front 43

Vaccination involves putting a small amount of an __________ form of a pathogen into the body

Back 43

inactive

Front 44

the inactive form of the pathogen is called an ?

Back 44

antigen

Front 45

When antigens are injected into the body, they stimulate lymphocytes to produce antibodies that can recognise the ?

Back 45

pathogen

Front 46

Some lymphocytes develop into ________ cells. If the vaccinated person later becomes infected with the same pathogen, the immune system is prepared.

Back 46

memory

Front 47

Secondary immune response happens sooner after infection and produces antibodies _______ and in greater quantities

Back 47

faster

Front 48

Platelets are involved in blood _________

Back 48

clotting

Front 49

Blood clotting in a wound produces a

Back 49

scab

Front 50

platelets release chemicals that cause soluble ___________ proteins to form a mesh of insoluble fibrin fibres across the wound

Back 50

fibrinogen

Front 51

insoluble fibrin fibresstick together to form clumps that get stuck in the?

Back 51

fibrin mesh

Front 52

Red blood cells also get stuck in the fibrin mesh, forming a clot. This develops into a scab, which ___________the wound as it heals.

Back 52

protects