Which system produces chemical messengers known as hormones?

A) nervous system
B) immune system
C) endocrine system
D) integumentary system
E) muscular system


C

Anatomy & Physiology

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Bacteria from the nasal cavity can travel to the ear

Indicate whether the statement is true or false.

Anatomy & Physiology

Which letter is associated with a zone (in a relaxed muscle) that is a little more lightly shaded because only thick filaments are present?

A.   I B.   A C.   M D.   Z E.   H

Anatomy & Physiology

The substance produced by the lungs to reduce surface tension is called ________.

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

Anatomy & Physiology

What type of tissue forms the mucosa of the trachea?

A. Simple columnar epithelium B. Pseudostratified ciliated columnar epithelium C. Stratified squamous epithelium D. Keratinized stratified squamous epithelium

Anatomy & Physiology