The right answer is isometric
The word isometric is an adjective of Greek origin (the prefix iso- means equal and metric means metron means measure)
Isometric force is a muscular contraction without shortening where the two points of attachment of the muscle are fixed, contrary to the concentric and eccentric work. A muscle subject to isometric contraction is a muscle that works in tension but without movement.
D. remain calm .it's rare to be able to float
Answer:
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If an adult leads an inactive lifestyle, he has a 38% chance of getting heart disease. Is The Correct Answer Hope I Helped;')
I would go for B. Production of immune cells