The blood

Question 1

How big are sickle cells?

Answer 1

1/2 the size of regular cells.

Question 2

Comparing to a regular cell, do sickle cells hold more oxygen?

Answer 2

No they do not.

Question 3

What produces antibodies?

Answer 3

Lymphocytes.

Question 4

Where are antibodies produced?

Answer 4

White blood cells.

Question 5

What is hemoglobin?

Answer 5

It is a protein that contains iron.

Question 6

Where are the hemoglobin?

Answer 6

In the red blood cells.

Question 7

What is anemia?

Answer 7

It’s when the blood cannot carry enough oxygen.

Question 8

What is leukemia?

Answer 8

It’s cancer in the bone marrow.

Question 9

What does the lymphatic system do?

Answer 9

It returns tissue fluid to the blood.

Question 10

What are pathogens?

Answer 10

A foreign substance.

Question 11

What makes red blood cells become brighter?

Answer 11

Oxygen.

Question 12

Is there a nucleus in red blood cells?

Answer 12

No. That’s why its thinner towards the middle.

Question 13

Do white blood cells have a nucleus?

Answer 13

Yes.

Question 14

What is lymph?

Answer 14

It’s the outside of the blood cell.

Question 15

What does hemoglobin carry?

Answer 15

This is what carries the oxygen and carbon dioxide.

Question 16

What is phagocytosis? And where does it happen?

Answer 16

It’s what surrounds and digests the enemies and in the white blood cell.

Question 17

Phagocytosis makes weapons which are called what?

Answer 17

Antibodies.

Question 18

What do antibodies do?

Answer 18

They fit right onto the antigens.

Question 19

What are antigens?

Answer 19

They are the protein on the surface of the pathogen.

Question 20

What does lymph do?

Answer 20

It carries WBC to the infections.

Question 21

Would someone with an infection have more white blood cells or less? Why?

Answer 21

More because more need to be produced to be able to battle the infection.

Question 22

What will happen if the same germ enters your body?

Answer 22

Lymphocytes will recognize how to make certain antibodies to fight off the antigens.

Question 23

Disclaimer.

Answer 23

There are specific antibodies for specific antigens.

Question 24

What is the reason why we cannot donate blood to anyone?

Answer 24

Because some antigens/proteins can be considered foreign.

Question 25

What do vaccines do?

Answer 25

They protect you from diseases and boost your immune system.

Question 26

What do vaccines contain, (most of the time)?

Answer 26

A disease germ that has been weakened or that has died.

Question 27

Why are there disease germs in vaccines?

Answer 27

So that your body makes antibodies to fight off this kind of germ.

Question 28

Blood transfusions: Blood is ____ ____ to separate components of the blood.

Answer 28

spun down.

Question 29

What are lymphocytes?

Answer 29

They’re in the white blood cells and they make antibodies.