Define the following terms:

(a) the insertion of a skeletal muscle:
(b) the origin of a skeletal muscle:
(c) the action of a skeletal muscle:


(a) the insertion of a skeletal muscle: the movable attachment of a muscle to bone
(b) the origin of a skeletal muscle: the immovable attachment of a muscle to bone
(c) the action of a skeletal muscle: the movement produced by the muscle

Biology & Microbiology

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What are the arrows pointing to in the accompanying figure?

a. double ionic bonds b. single ionic bonds

c. double covalent bonds d. single covalent bonds e. hydrogen bonds

Biology & Microbiology

Constipation may lead to the development of

a. hemorrhoids. b. gallstones. c. duodenal ulcers. d. gastric ulcers. e. Barrett's esophagus.

Biology & Microbiology

Fiber content of the diet can be increased by adding

a. fresh fruits. b. fish and poultry. c. eggs. d. whole grains and cereals. e. Both a and

Biology & Microbiology

Primary xylem and phloem are produced by the  

A.  procambium. B.  protoderm. C.  leaf primordial. D.  ground meristem. E.  proembryo.

Biology & Microbiology