<span> a </span>girl's<span> breasts may start to grow, but she may not get her period until years later. You may continue to go through </span>puberty<span> changes until you're 20 years old.</span>
Answer and explanation
There are instances where taking any vitamin or mineral supplements will be unnecessary or even harmful.
Example
a) For children who are already drinking Fluoridated it will be unnecessary to give them Fluoride supplements
b) It is unnecessary to take supplements because you believe it can cure diseases. If you have a disease one should see a doctor
c) It can be harmful to take supplements that increase energy levels inthe body. It can lead to altered heart rhythm and eventually death
d)A doctor should be consulted before taking nutrient supplements such as Vitamin A. Most have a toxicity level and it is not necessary to take them unless there is deficiencies.
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
Answer:
What Is Electromagnetic Energy? Electromagnetic energy is a form of energy that can be reflected or emitted from objects through electrical or magnetic waves traveling through space. Electromagnetic energy comes in many examples including gamma rays, X-rays, ultraviolet radiation, visible light, microwaves, radio waves and infrared radiation.
Explanation: