Pretty good what about you
What is the question exactly??
Answer:
Excretion is the removal of material from one living thing, for example. Humans excrete tears, sweat, carbon dioxide etc.
Secretion is the movement of material from one point to another, for example. Humans secrete enzymes, hormones, saliva etc.
Basically in summary excretion is the removal of physical material and secretion is the movement of biological materials from one point to another.
I hope this was clear enough lol
Studies of populations that reveal correlations between dietary habits and disease incidence are epidemiological studies.
Answer:
the lymphatic sys carries excess fluid and helps fight germs, and returns this fluid to your blood so you don't die.