Maintaining life Flashcards
Revise for key assesment 5 on 12th of jan 2024
What is excretion
Getting rid of waste materials that have been a part of the body
List three things the body excretes
Carbon dioxide, excess water and urea
What is Urea?
Urea is made from excess protein in the liver
Define urine
Urea dissolved in water
Ureter
Tube–kidney->bladder
Urethra
Tube–bladder–>out of the body
What is a fetus?
An unborn baby
Do the mother’s and baby’s blood mix?
No, they do not mix they come very close together but they do not mix.
What does the mother transfer to the baby?
Oxygen, carbohydrates, vitamins, minerals and protein.
What does the baby need the mother to excrete for it?
Carbon dioxide, urea, excess water
What should pregnant mothers avoid?
Smoking, drugs illegal and legal ones such as caffeine and alcohol.