Immune system

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Slide 1: Tekstslide
BiologieMiddelbare schoolvwoLeerjaar 3

In deze les zitten 10 slides, met interactieve quizzen, tekstslides en 1 video.

time-iconLesduur is: 30 min

Onderdelen in deze les

Slide 1 - Tekstslide

5

Slide 2 - Video

01:04

The immune system is built on millions of cells called
A
Blood cells
B
Immune cells
C
Leukocytes
D
Lymph nodes

Slide 3 - Quizvraag

01:08

The _______ carry the leukocytes around the body.
A
Bloodstream
B
nervous system

Slide 4 - Quizvraag

02:22

Phagocytes initially destroy invasive cells _______.
A
By alerting the immune system to their presence
B
By consuming them

Slide 5 - Quizvraag

02:47

Lymphocytes fight off the threat by producing _______.
A
Antibodies
B
Antigens
C
Desinfectant

Slide 6 - Quizvraag

03:05

Explain the relationship between antigens and antibodies.

Slide 7 - Open vraag

The figure is a schematic drawing showing two antigens, P and Q, and an antibody.

Which antigen will the antibody attach to: P or Q?
A
Antigen P
B
Antigen Q

Slide 8 - Quizvraag

Yellow fever is a disease that is caused by a virus. After infection with the yellow fever virus, it takes about a week before the body starts making antibodies against the virus. In the diagram in the figure, curve Q shows production of antibodies against the virus the first time a specific individual is infected. That person recovers and then gets infected again a year later.

Which curve on the graph shows the production of antibodies after this second infection?
A
Curve P
B
Curve Q
C
Curve S

Slide 9 - Quizvraag

Slide 10 - Tekstslide