Answer:
Farming
Explanation:
They easily got to use water for drinking, and to also help with their farming.
They are the air ways, the lungs, and the muscles of respiration.
Answer:
D
Explanation:
its scientifically proven that water covers over 70% of the human system
Answer:
Molecular, Microscopic, Cell, Tissue and Organ levels
Explanation:
The natural strength production needed for skeletal muscle to function occurs at the molecular level. You can develop a better knowledge of the properties of cells and tissues by simply studying the molecular systems common to the cells in question. The different muscular level down to myofilaments are:
-
Molecular level — actin and myosin
- Microscopic level — sarcomere and myofibrils
- Cell level — myoblasts and myofibers
- Tissue level — neuromuscular intersections and fascicles
- Organ level — The key skeletal muscles of the body
