The correct answer is D. Push-ups.
<em>Push-ups is the only activity which strengthens muscles and can be completed in school.</em>
Exercise helps muscles to be at rest and also makes someone feel reinvigorated. There are some exercise which are strength-building.
For example, jumping sacks, forward lunges, push-ups, arm extension and plank.
Correct answer is:
<h2>TRUE.</h2><h3>Explanation:</h3>
First aides are never needed to set themselves in a position which might place them in jeopardy. Learn, you cannot treat a victim if you become a victim yourself. If a first aider is asked in to dispense with a victim, they must forever retain to safeguard themselves in the initial occurrence and then evaluate the condition. Make sure the scene is secure, and make sure that your own individual refuge is beyond all else. Before you enroll in a scene, put on individual emergency supplies, particularly impermeable mittens. Only after these actions are performed can remedy of the victim start.
They are produced by specialized white blood cells called B lymphocytes<span> (or B cells). </span>
The sympathetic nervous system controls the response to a threat. We perspire, breathe more quickly and get goosebumps and feel nauseated. The correct answer is c. sympathetic nervous system.
The autonomic nervous system responds to information about the body and the environment by either stimulating or inhibiting bodily functions, typically through the sympathetic or parasympathetic nervous systems.There are two primary divisions of the autonomic nerve system-
- Sympathetic
- Parasympathetic
The sympathetic nervous system controls the "fight-or-flight" reaction, which is activated by danger or stress and can lead to a number of physiological changes. Most blood vessels, including many in the epidermis, digestive tract, and kidneys, constrict when the sympathetic nervous system is stimulated. This happens due to norepinephrine, released by post-ganglionic sympathetic neurons, activating alpha-1 adrenergic receptors. Sympathetic nervous system may impact these organs while under threat or stress:eyes, heart, lungs, digestive tract, liver, and genitalia.
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