[Answered] Which hormone helps establish day-night cycles? A) Melatonin B) Dopamine C) Thyroxine D) ...

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Author Question: Which hormone helps establish day-night cycles? A) Melatonin B) Dopamine C) Thyroxine D) ... (Read 52 times)

Jipu 123

Hero Member
Posts: 569

on: Jul 3, 2018

Which hormone helps establish day-night cycles?

A) Melatonin B) Dopamine C) Thyroxine D) Norepinephrine

Question 2

The relatively diffuse collection of phagocytic cells throughout the body is called what?

A) Monocyte-macrophage system B) Reticuloendothelial system
C) Phagocytic system D) Both A and B

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olivia_paige29

Sr. Member
Posts: 334

Reply #1 on: Jul 3, 2018

Answer to Question 1

A

Answer to Question 2

D

Jipu 123

Member
Posts: 569

Reply 2 on: Jul 3, 2018

Gracias!

upturnedfurball

Member
Posts: 334

Reply 3 on: Yesterday

TYSM

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