Which of the following neurotransmitters inhibits pain and is mimicked by morphine, heroin, and methadone?
A) acetylcholine
B) endorphin
C) serotonin
D) nitric oxide
Answer: B) endorphin
Anatomy & Physiology
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Which muscle is named for either shape or size?
A) pectoralis major B) latissimus dorsi C) deltoid D) vastus lateralis E) All of the above are named for shape or size.
Anatomy & Physiology
Red blood cells aid in clotting
Indicate whether the statement is true or false
Anatomy & Physiology
Steroid hormones are derived from ____________________
Fill in the blank(s) with correct word
Anatomy & Physiology
Why must the DNA be duplicated during the S phase of the cell cycle, prior to mitosis?
What will be an ideal response?
Anatomy & Physiology