_______ secrete the rubbery matrix of cartilage, whereas _________ produce the fibers and ground substance that form the matrix of fibrous connective tissue.

A) Chondroblasts; plasma cells.
B) Mast cells; fibroblasts.
C) Osteocytes; chondroblasts.
D) Chondroblasts; fibroblasts.
E) Adipocytes; plasma cells.


Ans: D) Chondroblasts; fibroblasts.

Anatomy & Physiology

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The rapid skeletal muscle contractions that produce shaking in response to reduced body temperature is called ______.

a. hypertrophy b. shivering c. atrophy d. fatigue resistance

Anatomy & Physiology

What separates the thoracic cavity from the abdominopelvic cavity?

A) pleura B) mediastinum C) diaphragm D) pericardium

Anatomy & Physiology

The organelles that digest engulfed bacteria and cell debris are the:

A. peroxisomes. B. endosomes. C. lysosomes. D. ribosomes. E. mitochondria.

Anatomy & Physiology

Degeneration of the neurons in which of the following structures leads to the muscle tremors associated with Parkinson disease?

A. Cerebral crus B. Inferior colliculi C. Substantia nigra D. Pons E. Tegmentum

Anatomy & Physiology