Explain the difference between isometric and isotonic contractions. How are both important to normal body movements?

What will be an ideal response?


Isometric contractions occur when there is a change in muscle
tone but no change in muscle size or length. Isotonic contractions occur when there is a
change in muscle size or length but no change in tone. Depending on what motion is
required, both types of contractions work together to move the body.

Anatomy & Physiology

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Spinal nerves extend from the spinal cord, whereas ________ nerves extend from the brain

Fill in the blank with correct word.

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________ is an autoimmune disorder in which the joint tissues are attacked by the patient's own immune system. 

A. Rheumatoid arthritis B. Osteoporosis C. Osteoarthritis D. Osteomyelitis

Anatomy & Physiology

The epiglottis opens the glottis during the swallowing reflex

Indicate whether the statement is true or false

Anatomy & Physiology

Emulsification

A. converts small lipid droplets into larger droplets. B. occurs in the gallbladder. C. chemically digests lipids. D. increases surface area for lipid digestion. E. involves enzymes.

Anatomy & Physiology