emma had to learn to tie her laces early as having big feet velcro shoes for girls were hard to find .was probaly about 4 years old but she had to practise lots . telling the time is one of the hardest things for a child to learn .not in terms of actualy telling the time but in understanding time as in how many minutes untill 3.00 o clock or what time will it be in 45 minutes .its a bit like most children can read a few words but cant realy comprehend what the sentance means iuswim emma ...
Internal respiration is the transfer of gas between the blood and cells. External respiration also known as breathing refers to a process of inhaling oxygen from the air into the lungs and expelling carbon dioxide from the lungs to the air. Exchange of gases both in and out of the blood occurs simultaneously.
There is a big difference between external and internal respiration. External respiration is basically the transfer of gas between respiratory organs such as lungs and the outer environment. It takes place prior to internal respiration.Internal respiration is the transfer of gas between the blood and cells. External respiration also known as breathing refers to a process of inhaling oxygen from the air into the lungs and expelling carbon dioxide from the lungs to the air.Exchange of gases both in and out of the blood occurs simultaneously.here is a big difference between external and internal respiration. External respiration is basically the transfer of gas between respiratory organs such as lungs and the outer environment. It takes place prior to internal respiration.