Wastes are also disposed of from the cell through the cell membrane.   Sort of...they don't pop if punctured. They keep foreign materials that will harm the cell from entering and allow water and air in through a process called osmosis; the amount of anything entering or exiting the cell is controlled by the nucleus.
A caregiver or carer is an unpaid or paid person who helps another individual with an impairment with his or her activities of daily living. Any person with a health impairment might use caregiving services to address their difficulties. Caregiving is most commonly used to address impairments related to old age, disability, a disease, or a mental disorder.
The typical caregiver is a daughter, age 46, with a full-time job, providing an average of 18 hours per week to one or more of her parents. Among adults aged 20 to 75, providing informal care to a family or friend of any age, 38% care for aging parents and 11% care for their spouse.