Mast cells produce which inflammatory substance in response to allergies?

a. fibroblasts
b. histamine

c. collagen

d. cartilage


b

Anatomy & Physiology

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A gene is a set of specific instructions that

A) produces amino acids for proteins. B) copies DNA strands for mitosis. C) controls the process of mitosis. D) indicates the sequence of amino acids in a protein molecule. E) directs carbohydrate synthesis.

Anatomy & Physiology

The heart is part of the ______ system

Fill in the blank(s) with correct word

Anatomy & Physiology

The transfer of heat between objects by conduction involves direct contact

Indicate whether the statement is true or false

Anatomy & Physiology

All of the following structural changes found in the heart occur with the normal aging process, except

A. hypertrophy of the left ventricle. B. decreased elasticity of large vessels. C. decreased valve flexibility. D. atrophy of conduction cells. E. increased elasticity of large vessels.

Anatomy & Physiology