Answer:
B
Explanation:
In heat transfer and thermodynamics, a thermodynamic system is said to be in thermal contact with another system if it can exchange energy through the process of heat. Perfect thermal isolation is an idealization as real systems are always in thermal contact with their environment to some extent
The second line of defense is nonspecific resistance that destroys invaders in a generalized way without targeting specific individuals: Phagocytic cells ingest and destroy all microbes that pass into body tissues. For example macrophages are cells derived from monocytes.
The correct answer is D: the adrenal glands. More specifically, the adrenal medulla<span> produces </span>catecholamines<span>, in particular especially </span>norepinephrine<span> and </span>epinephrine. Estrogen<span>, </span>testosterone<span>, </span>cortisol<span>, </span>dopamine<span> and </span>serotonin also play a role in the response.
Calcium, sodium, potassium, Magnesium, Aluminum
