inactivity

"Her mental health is really affected by stressful environments."

"The being in the classroom was quiet today. "

"The weight of the textbooks in my backpack felt heavy. "

"The architect prolonged the design phase of the new library, adding more time for planning. "

"The plumber used lead pipes for the old house's water system. "

""Many students have problems understanding fractions." "

"Quality of life is usually determined by health, education, and income."

"The student's idleness during study hall resulted in poor grades. "

"In a small number of horses, muscle weakness may progress to paralysis."

"Muscle consists largely of actin and myosin filaments."

"My sister's new job offers a similar salary; it's a good such for someone with her experience. "

"An inactive boy, he rarely exercised and preferred to stay indoors."