The r stands for rest. Rest is important because it fuels your brain.
17. Alarm, Resistance, Fatigue
18. Empathy
Answer:
giving a friend a birthday present after they have given you one
Explanation:
<em>Reciprocity</em> means the generosity flows both ways.
<em>Between peers</em> means the participants have the same general characteristic age, education, experience, and so on. <em>Friends</em> are often peers.
Answer:
What is the DIFFERENCE between EXCRETION and ELIMINATION? ... EXCRETION refers to the REMOVAL of METABOLIC WASTE produced in the BODY. ELIMINATION refers to the REMOVAL of INDIGESTIBLE MATERIAL. Most of the BODY'S ACTIVITIES produce METABOLIC WASTES that MUST be REMOVED.
Explanation:
The exact mechanism of immune complex formation is unknown.