The ____ system recognizes and combats pathogens and cancer cells.
a - respiratory
b- circulatory
c- reproductive
d- immune
2007-09-15 19:28:42 · 7 answers · asked by Anonymous in Health ➔ Diseases & Conditions ➔ Respiratory Diseases
D, immune
2007-09-15 19:33:42 · answer #1 · answered by Amanda 3 · 0⤊ 0⤋
Immune
2007-09-16 03:58:14 · answer #2 · answered by Anonymous · 0⤊ 0⤋
An immune system is a collection of mechanisms within an organism that protects against disease by identifying and killing pathogens and tumor cells.
Hence the answer is D.
2007-09-16 02:34:20 · answer #3 · answered by gangadharan nair 7 · 0⤊ 0⤋
Immune?
2007-09-16 02:31:48 · answer #4 · answered by Anonymous · 0⤊ 0⤋
Immune system
2007-09-16 06:07:22 · answer #5 · answered by Bob Dylan ♪ 7 · 0⤊ 0⤋
Do your own homework
2007-09-16 02:38:40 · answer #6 · answered by Anonymous · 0⤊ 1⤋
D
2007-09-16 02:32:15 · answer #7 · answered by JenH-RN 4 · 0⤊ 0⤋