Vitamins, minerals, fibre, protein, carbohydrates, fats lipids
Answer:
changes in the environment and or cross breeding
Explanation:
Their location, or layer
The cells produce three germ layers:
endoderm- becomes the gut
mesoderm- becomes muscle, skeletal system, some organs, and connective tissure
ectoderm- becomes skin and nervous system
I think but I do not know it refered to as being repetitive
Answe
Explanation:
Excersice increases the cardiac and skeletal muscels strenght for maximum oxygen consumption for energy output.
It lowers the blood pressure and in prove RBC count for oxygen transportation and distribution.
It cut down risk of osteoporosis, by stimulating bone growth.
