A powerful bronchoconstrictor released by mast cells is ________.

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


histamine

Anatomy & Physiology

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The skeletal system includes all of the following except:

a. bones b. cartilage c. tendons d. ligaments

Anatomy & Physiology

Down syndrome is a congenital defect commonly caused by an extra copy of chromosome 21

a. True b. False Indicate whether the statement is true or false

Anatomy & Physiology

The tricuspid valve prevents backflow of blood from the ________ into the ________.

A. left ventricle; left atrium B. right ventricle; right atrium C. right atrium; right ventricle D. left atrium; left ventricle

Anatomy & Physiology

Another name for antidiuretic hormone is

A. oxytocin. B. aldosterone. C. intermedin. D. vasopressin.

Anatomy & Physiology