Answer:
Scapular protraction and rotation.
Explanation:
The serratus anterior muscle is originated from the sides of the chest and originates from the 1 to 8 ribs. The long thoracic nerve innervates in the serratus anterior muscle.
This muscle inserts at the medial border of the scapula. The contraction of this muscle results in the scapular rotation and pulls the scapula towards the thorax. The anteversion of the arm and the scapular protraction is also caused by serratus anterior contraction.
Thus, the correct answer is option (2).
The sebaceous glands secrete the oily, waxy substance called sebum.
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Answer:
Heroin users have defined the drug’s high as an severe feeling of well-being. when someone injects heroin, they often experience a “rush” from the drug achieving the brain so quick.
the push from intravenous heroin use lasts approximately minutes. Intravenous users have likened the rush to an orgasm in terms of pleasure. As heroin travels thru the bloodstream, the high lasts for four to five hours.
the overall effects of using heroin consist of:
Contentment
decreased tension
Relieved tension
Drowsiness
Apathy
The outcomes of heroin can seem innocent to those who are experimenting with the drug. despite the fact that it may produce some dizziness and drowsiness, these outcomes feel exciting. in contrast to materials which include alcohol or ecstasy, there normally isn’t a hangover or comedown from initial heroin use, that's an appealing benefit to new customers.
What may also appear like “harmless” or occasional heroin use often devolves into addiction due to the fact tolerance builds fast. sooner or later, the user cannot sense ordinary without taking the drug due to the fact their brain can not produce natural amounts of dopamine on its very own. because the consumer will increase their doses, they are at a extra hazard of fatal heroin overdose.
Explanation: