Question

stress impacts which system in the body, often resulting in a quicker heartbeat?
a. immune system
b. digestive system
c. skeletal system
d. cardiovascular system

which of the following is an emotional effect of stress?
a. better focus
b. irritability
c. increased patience
d. calmness

Explanation:

For the first question: The cardiovascular system is responsible for the heart and blood vessels. Stress activates the body's "fight - or - flight" response, which causes the heart to beat faster.
For the second question: Stress often leads to negative emotional states. Irritability is a common emotional effect of stress, while better focus, increased patience, and calmness are not typical emotional effects of stress.

Answer:

d. Cardiovascular system
b. Irritability