Exercising too much + too little Flashcards
1
Q
What two things can excessive exercise affect?
A
The immune system and joints
2
Q
The number and activity of which 4 cells is reduced by excessive excercise?
A
natural killer cells
phagocytes
B cells
T helper cells
3
Q
How does excessive excersise lead to the supression of the immune system?
A
It reduces the activity of natural killer cells which destroy foreign cells and thus provide protection against infection. A decrease in T helper cells reduces the quantity of lymphocytes and therefore the amount of antibodies.
4
Q
What effect does excessive exercise have on joints?
A
Can lead to wear and tear of joints that may need surgery
5
Q
What can exercising too little lead to?
A
- CHD
- strokes
- type II diabetes
