Written by students who passed Immediately available after payment Read online or as PDF Wrong document? Swap it for free 4.6 TrustPilot
logo-home
Summary

Summary AQA ALEVEL BIOLOGY ON WHITE BLOOD CELLS

Rating
-
Sold
-
Pages
1
Uploaded on
02-07-2023
Written in
2022/2023

ALEVEL NOTES ON THE IMMUNITY TOPIC- WHITE BLOOD CELLS ADJUSTED TO THE AQA SPECIFICATION AND MADE FROM MARKSCHEMES

Institution
AQA

Content preview

White Blood Cells
=

If fail the
-
the
physical or chemical barriers , next line of defence are white blood cells .




'

Kember in humans ,
our blood is made of :
,




blood cells Oz )
↳ Red ( contains
hemoglobin which carries

↳ white blood cells ( see below
)
↳ platelets ttrevents bleeding by forming dots
↳ Plasma lliquid that carries blood cells and proteins)
white blood cells also leukocytes
called they protect
'


are -




illness disease
against and .



you
-
White blood cells are made in the bone marrow and are


the blood and tissues
stored in
lymph
.




Types of white Blood cells

, deer - -
r - or #

1 .

Monocytes -


they have a
longer lifespan than
many
white

blood cells and to break down bacteria
help .




2- Neutrophils -
kill and
digest bacteria and fungi through phagocytosis .

They are


the most of white blood cell
numerous
type .




3 .

Basophils -
Sounds an alarm when infectious agents invade
your
blood .
They secrete chemicals

such histamine marker of allergic disease that help c.ontrol the
body 's immune
as ,
a ,

system .




kill
4 .

Eosinophils -

They attack and parasites and , cancer cells ,
and help with
allergic responses .




5.
Lymphocytes
-
create antibodies to
fight against bacteria ,
viruses and other
potentially
harmful invaders .




What is a
phagocyte ?

A of out
phagocyte
is type white blood cell that carries
phagocytosis

a .




found blood and in first
Phagocytes are in the tissues and are the cells
.




to
respond to an immune system trigger inside a
body .




Different types of Phagocytes

Macrophages
}
1
come from
.




cells
monocytes
2 .
Dendritic

3. Neutrophils


Macrophages cells involved in the detection phagocytosis and
'


are ,




destruction of bacteria and other harmful organisms .




Dendritic main function material and
cell 's is to
process antigen
-




present it on the cell surface to the

of the
T
lymphocytes immune
system
-
.

Written for

Document information

Uploaded on
July 2, 2023
Number of pages
1
Written in
2022/2023
Type
SUMMARY

Subjects

£7.99
Get access to the full document:

Wrong document? Swap it for free Within 14 days of purchase and before downloading, you can choose a different document. You can simply spend the amount again.
Written by students who passed
Immediately available after payment
Read online or as PDF

Get to know the seller
Seller avatar
talhaahmed360

Also available in package deal

Thumbnail
Package deal
ALL OF AQA AS LEVEL BIOLOGY NOTES
-
44 2023
£ 20.99 More info

Get to know the seller

Seller avatar
talhaahmed360
View profile
Follow You need to be logged in order to follow users or courses
Sold
-
Member since
3 year
Number of followers
0
Documents
47
Last sold
-

0.0

0 reviews

5
0
4
0
3
0
2
0
1
0

Why students choose Stuvia

Created by fellow students, verified by reviews

Quality you can trust: written by students who passed their exams and reviewed by others who've used these revision notes.

Didn't get what you expected? Choose another document

No problem! You can straightaway pick a different document that better suits what you're after.

Pay as you like, start learning straight away

No subscription, no commitments. Pay the way you're used to via credit card and download your PDF document instantly.

Student with book image

“Bought, downloaded, and smashed it. It really can be that simple.”

Alisha Student

Working on your references?

Create accurate citations in APA, MLA and Harvard with our free citation generator.

Working on your references?

Frequently asked questions