The most important skeletal muscles involved in making normal, relaxed, respiratory movements include (the)

A) serratus anterior and levator scapulae.
B) diaphragm and external and internal intercostal muscles.
C) rectus abdominis, external and internal oblique, and the transversus abdominis.
D) intrinsic back muscles and the scalenus anterior and medius.
E) All of the answers are correct.


B) diaphragm and external and internal intercostal muscles.

Anatomy & Physiology

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There are two types of proliferation, one for ________ and one for B-cells

A) Dendritic cells B) Lymphocytic cells C) Natural killer cells D) Effector T-cells

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

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