The nervous tissue hope it helps :3
If you are exercising in your target fitness zone, you are between your threshold of training and your target ceiling.
If you achieve a good fitness rating, you probably are at the level of fitness needed to live a full, healthy life.
These are what I found on Quizlet.
C heritability
herdity means family or ancestors
An example of a career is that of a geologist. It involves studying the earth in all its manifestations right from the study of the 3 main rock types, of ore deposits, of oil and gas deposits, of fossils and minerals, of the earth's structure, its' landforms, etc. The types of work it involves are such as mineral exploration geologist, mine geologist, geotechnical engineer, paleontologist, petroleum geologist, structural geologist to name some of the types of work.
Differentiation is the process of going from a stem cell to a differentiated, specialized cell.