Growth & Repair Flashcards
What are the five main stages of human life?
Infancy, childhood, adolescence, adulthood and old age
Name 3 factors which affect human growth
genes, diet, amount of exercise, amount of growth hormone, health, any diseases/illnesses they have had
Name two components of a healthy diet needed for good bone growth
calcium and vitamin D
What has happened to human life expectancy in the 21st Century?
It is much longer
Name 5 body parts that can be replaced by organ transplant
Heart, lungs, kidney, liver, cornea, blood, skin.
What is a living donor?
When a person living donates an organ such as a kidney, and continues to have a normal life
Which type of implant is used to maintain a normal heart beat rhythm
A pacemaker
How does human growth hormone result in growth?
It release energy for growth from fat stores and stimulates the growth of long bones
Name 3 problems with increased life expectancy
- elderly can suffer from degenerative diseases
- elderly may find it difficult to live independently in their own homes
- trend for smaller families means there is no-one to look after them
- Limited income- means difficult to keep warm/eat healthy
Why do people who have had an organ transplant need to take immunosuppressive drugs?
To prevent rejection of the organ, a recipient’s immune system attacks the donated organ, unless it is suppressed by the drugs.
What type of donation system does the UK operate?
The UK has a ‘opt in’ donor system; where people need to volunteer to donate their organs.