List at least three muscles that contribute to smiling

What will be an ideal response?


Zygomaticus major and minor, orbicularis oris, and risorius.

Anatomy & Physiology

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Symphysis joints are characterized by the presence of ________ between articulating bones

A) fibrocartilage B) hyaline cartilage C) synovial membranes D) tendon sheaths

Anatomy & Physiology

This structure binds to an amino acid and holds it in place on a ribosome until it is incorporated into a polypeptide chain during translation.

a) mRNA b) rRNA c) tRNA d) DNA

Anatomy & Physiology

What process produces most of the NADH that contributes to ATP synthesis in the cell?

A. The citric acid cycle B. The mitochondrial proton pumps C. Glycolysis D. The electron transfer from FADH2 E. Anaerobic fermentation

Anatomy & Physiology

Which of these muscles has the same action on the arm as the latissimus dorsi?

A) deltoid B) coracobrachialis C) pectoralis major D) teres major E) triceps brachii

Anatomy & Physiology