Internal structures of a cell that carry out specialized metabolic tasks are called ________.

A. cytoskeletal elements
B. organelles
C. enzymes
D. ribosomes


Answer: B

Anatomy & Physiology

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How is it possible to change the pitch of our voice from high to low?

What will be an ideal response?

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Pacemaker activity that establishes the rhythmicity of breathing resides in the

a. lung tissue. b. respiratory muscles. c. Pre-Botzinger complex d. phrenic nerve. e. reciprocal relationship between the inspiratory and expiratory neurons of the ventral respiratory group.

Anatomy & Physiology

match each head of the quadriceps femoris with its correct skeletal attachment. vastus lateralis; vastus intermedius; vastus medialis; rectus formis. anterior inferior iliac spine, margin of acetabulum; femur: greater trochanter, intertrochanteric line, gluteal tuberosity, linea aspera; femur: intertrochanteric line, spiral line, linea aspera, medial supracondylar line; anterior and lateral shaft of femur

What will be an ideal response?

Anatomy & Physiology

Which of the following is involved in the coloring of the skin?

A) lamellated corpuscles B) Merkel cells C) Ruffini corpuscles D) tactile corpuscles E) melanocytes

Anatomy & Physiology