<u>Answer</u>:
Squatting to a pet dog before a run will activity create tension in the legs.
<u>Explanation</u>:
Tension in muscle contraction generates tension in the muscle fibers. In natural movements of locomotion the muscle contractions produce changes in length and tension in the muscle fibers of skeletal muscle. The sliding of protein filaments past to each other inside skeletal muscle fiber produces a contraction.
When the muscles is stretched or shortened beyond its normal level a tension which resist the change in the muscle length is felt. Among the above mentioned options the maximum tension can be observed in the following order: squatting to pet a dog > stretching your legs before a run > pressing a car's accelerator pedal > standing for five minutes (no active tension).
Answer:
Psychological addiction, is when someone become mentally
(emotionally) dependent on substances, the individual is emotionally attached to the substance, for example drugs, alcohol.
Characteristics of Psychological addiction are :
Intense substance cravings
Appetite loss
Denial
Inability to imagine coping without the substance
Appetite loss
Feeling restless when you’re not using the substance
Being mentally obsessed with getting more of the drug
Anxiety when thinking of not being able to access the substance
Insomnia that related to not being able to use a drug
Craving that appears sporadically, even years after quitting the drug
Mood swings.
Answer:
<em>Antibodies</em><em> </em><em>are</em><em> </em><em>produced</em><em> </em><em>by</em><em> </em><em>lymphocytes</em><em> </em><em>since</em><em> </em><em>it</em><em> </em><em>is</em><em> </em><em>part</em><em> </em><em>of</em><em> </em><em>the</em><em> </em><em>immune</em><em> </em><em>system</em><em> </em>
