Blood

Question 1

What are the 3 main things in blood?

Answer 1

1. Platelets + fibrin
2. Red blood cells
3. White blood cells

Question 2

What is the first main thing in blood called?

Answer 2

Platelets + fibrin

Question 3

What do platelets + fibrin form?

Answer 3

They form blood clots

Question 4

What is the second main thing in blood called?

Answer 4

Red blood cells

Question 5

What do red blood cells contain and what does it do?

Answer 5

Haemoglobin which binds reversibly to oxygen

Question 6

Do red blood cells have a nucleus?

Answer 6

No

Question 7

Why don’t red blood cells have a nucleus?

Answer 7

So there is more space for haemoglobin

Question 8

What are the discs of red blood cells like?

Answer 8

Biconcave disc shape

Question 9

What is a bonus of red blood cells have a biconcave disc shape?

Answer 9

They have a larger surface area for absorbing oxygen

Question 10

What is the third main thing in blood called?

Answer 10

White blood cells

Question 11

What 2 things are in white blood cells?

Answer 11

Lymphocytes + phagocytes

Question 12

What do lymphocytes do?

Answer 12

Create antibodies (which kill pathogens)

Question 13

What do phagocytes do?

Answer 13

Engulf pathogens