During a stress response,
a. the sympathetic branch of the autonomic nervous system is activated.
b. norepinephrine is released as a neurotransmitter in the brain.
c. the adrenal gland releases steroid hormones.
d. an increased output of the heart increases blood flow to the muscles.
e. the adrenal glands secrete androgens.
Question 2
A physiological reaction produced in the body by the perception of aversive or threatening events is referred to as
a. a stressor.
b. a fight-or-flight response.
c. stressful.
d. an immune response.
e. stress.
An example of a two-component regulatory system in bacteria
Synaptic response of photoreceptors to dark and light.
An open circulatory system.
Cellular locations of pattern recognition molecules of the innate immune system
Male Reproductive System الجهاز التناسلي الذكري
The Muscular System (Posterior View)