Histones would be the answer.
Strenuous muscular is just a fancy way to say exercise. As the muscles are used more often the need more oxygen, so that is why your breathing rate increases while doing "exercise".
Answer: somatoform or somatic symptom disorder
Explanation:
It is any mental or psychological disorders where patients experience unexplained physical symptoms of illness which are idiopathic and not consistent with general medical guidelines.
Symptoms These depend on the age group of individuals , it usually begins as reoccurring stomachaches, followed by headache in early childhood. As age increases, the symptoms changed to insomnia, fatigues, depression and at chronic state seizure, and paralysis,
Answer: All the given precaution are important to take care when working with heat and fire.
Explanation:
Double check on these precaution should kept be while working or experimenting with fire and heat:
- Hair should be tied back : bun or pony will be fine. if hair are untied then chances of catching fire by hair will be high.
- Do not touch hot equipment ,if required use gloves or tongs. Touching hot equipment with bare hands may lead to burns or minor (or major) accident
- Keep your face and eyes away from the flame while experimenting.Cover your face with mask and goggles.
- Do not mix chemical until or unless told to do so. This is because some times mixing of chemicals leads to evolution of large amount of heat which can difficult to handle.
- Be careful regarding cloths while working with heat and fire.
- Flammables must be kept away and should be used with caution. Safer distance must be maintained