Question

Very short-term bursts of stress can have a beneficial effect on many biological systems, including the _____ system, which is your body's frontline defense against infection and cancer.

a. ​nervous

b. ​respiratory

c. ​immune

d. ​circulatory

Answer 1

Very short-term bursts of stress can have a beneficial effect on many biological systems, including the immune system, which is your body's frontline defense against infection and cancer.

Answer: c

Answer 2

C) Immune

Step-by-step explanation:

Very short-temr bursts of stress can have a beneficial effect on many biological systems, incuding the immune system, which is your body's frontline defense against infection and cancer.