Hormones can be classified according to their chemical structure, i.e., ____

a. amino acids, amines and thyroid hormones
b. peptides, amines and steroids
c. peptides, catecholamines and indoleamines
d. catecholamines, amines and cholesterol
e. steroids, amino acids and thyroid hormones


b

Anatomy & Physiology

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________ are white blood cells that differentiate into macrophages.

Fill in the blank(s) with the appropriate word(s).

Anatomy & Physiology

Which of the following ions has the greatest affect on the autorhythmic capabilities of the myocardium?

a. Ca2+ b. K+ c. Na+ d. Cl-

Anatomy & Physiology

____________________ are composed of two or more types of primary tissue organized to perform a particular function or functions

Fill in the blank(s) with correct word

Anatomy & Physiology

What is the cell membrane of a muscle cell called?

A) sarcolemma B) sarcomere C) sarcoplasmic reticulum D) sarcoplasm

Anatomy & Physiology