Gerontology: physical changes

While up to around the age of 30 there are ten times as many reserves available to ensure that the body functions properly, these reserves then slowly decrease without an illness having to break out immediately. The decline in performance can occur at different speeds in every person and even in every organ or organ system such as the heart and circulatory system, respiratory tract or digestive system – it can lead to physical collapse without a specific disease being present, but the reverse can also be the case into old age feel vital and fit.

What happens in our body as we get older?

Aging has various effects on the body, which are examined in gerontology. Physical changes affect the following areas, among others:

  1. cardiovascular system
  2. Respiratory tract
  3. gastrointestinal tract
  4. kidneys and urinary tract
  5. blood and  immune system
  6. Hormone
  7. brain and nerves
  8. sense organs
  9. bones and muscles
  10. High

Below you will find out what changes come with aging.

1) cardiovascular system

While the heart beats 200 times per minute under stress in 20-year-olds, the heart in older people can only beat much more slowly. In addition, the elasticity of the blood vessels decreases and blood pressure increases slightly. Cardiac  arrhythmias  are also becoming more common because collagen is stored in the conduction system.

2) Respiratory tract

The fine structure of the alveoli becomes coarser with age – this makes the lung tissue less elastic and the respiratory values ​​for both inhalation and exhalation deteriorate. As a result, less oxygen is absorbed into the blood and the body is less able to react to stress. The lung tissue becomes more susceptible to  pneumonia  and  COPD .

3) gastrointestinal tract

The swallowing mechanism and gastric emptying deteriorate, the intestinal wall in the large intestine becomes more permeable for  diverticula .

4) Kidneys and urinary tract

By the mid-80s, a person has 30% less functional kidney tissue than a younger person, which means that toxins are eliminated more slowly and medications stay in the body longer.

5) Blood and Immune System

Although the bone marrow, which is responsible for blood formation, is increasingly replaced by connective tissue in old age,  enough red blood cells  are still formed. The situation is different with some immune cells: their proportion decreases by around a quarter with age, which has a negative effect on the immune system.

6) Hormone

In principle, higher concentrations of all hormones seem to be necessary in old age in order to achieve the same effect as in younger years.

7) Brain and nerves

After the age of 60, the brain shrinks by up to 6%, and there are pronounced changes in areas responsible for motor skills, vision and speech. While memory, retention and mental mobility decrease, the ability to shape the content of thinking increases with age.

8) sense organs

Smell and  taste  as well as vision, hearing and sense of balance decrease with age. Hunger and thirst are also perceived less.

9) Bones and Muscles

Bone and cartilage structures become poorer and bone fragility increases. Muscle mass and thus muscle strength decrease and lead to slower reaction times.

10) Top

The blood supply to the skin decreases as we age, sweat and sebaceous glands produce less secretion. This makes the skin more susceptible to injury and infection and slows down the healing process.

Similar Posts

Leave a Reply

Your email address will not be published. Required fields are marked *