Answer: True
This definition is true that nutrition is the proper supply of nutrients from healthy food consumed by the body and using it for growth, metabolism, reproduction, repair, immunity and source of energy.
Moreover, Nutrition is also the science that interprets the interaction of nutrients and other substances in food taken in relation to maintenance, health and disease of an organism. This includes ingestion, digestion, absorption, transport, assimilation, biosynthesis, catabolism and excretion.
Most deaths occur to people 75 years and older
Answer:
The relationship between stress and illness is complex. The susceptibility to stress varies from person to person. Among the factors that influenced the susceptibility to stress are genetic vulnerability, coping style, type of personality and social support. Not all stress has negative effect. Studies have shown that short-term stress boosted the immune system, but chronic stress has a significant effect on the immune system that ultimately manifest an illness.
Answer: The frequency at which new species emerge and are lost over evolutionary time is established by the rates of speciation and extinction.
A. being oxygenated in the alveoli, where oxygen is supposed to attach to the red blood cells (in the lungs)
