B & T Cells Flashcards
1
Q
What are lymphocytes?
A
- white blood cells
- one of the body’s main types of immune cells
2
Q
Where are lymphocytes made?
A
In the bone marrow
3
Q
Where are lymphocytes found?
A
- blood
- lymph tissue
4
Q
What are B cells?
A
- “B lymphocytes”
- white blood cell of the lymphocyte subtype
5
Q
What do B cells do?
A
They function in the humoral immunity component of the adaptive immune system by secreting antibodies
6
Q
What are T cells?
A
- type of lymphocyte
7
Q
Where are T cells made?
A
- in the thymus gland
8
Q
What are the types of T cells?
A
- CD4+ Helper cells
- memory T cells
- natural killer T cells
9
Q
What is the difference between T cells and B cells?
A
B-Cells attack invaders outside the cells and T-Cells attack invaders inside the cells
10
Q
What is a macrophage?
A
- large white blood cell
- amoeba-like organism
11
Q
What is the job of a macrophage?
A
- clean our body of microscopic debris and invaders
12
Q
What do macrophages have the ability to do?
A
- locate and ‘eat’ particles such as bacteria, viruses, fungi, and parasites (via phagocytosis)
