Answer: A). cause the three bones of the middle ear to begin to vibrate.
Explanation: Sound is transmitted as waves from the outer ear through the ear canal to the ear drum. The sound waves causes the eardrum to vibrate and consequent vibration of the three tiny bones of the middle ear. The vibration of the three tiny bones causes the fluid in the inner ear to vibrate. The vibration of the fluid causes the tiny hairs to vibrate and and the vibration is converted to electrical impulses that are transmitted to the auditory nerve and to the brain, where they are intepreted as hearing (sound).
Dr. Casson must be a psychiatrist.
A psychiatrist is a medical doctor that has specialized in treating mental health.
A psychiatrist treats a number of different mental disorders and prescribes adequate medicaments.
Prokaryotic
-no nucleus
-unicellular
-does not contain cell organelles like the mitochondria
-smaller and less complex then eukaryotes
-domains Archaea and Bacteria
-DNA is not in a nucleus
Eukaryotic
-nucleus
-can be multicellular
-larger and more complex than prokaryotes
-does contain cell organelles like the mitochondria
-domain Eukarya
-DNA contained in nucleus
Answer:
Explanation:
The main goal of metabolism is for the ultimate release of energy. Energy is simply a function of the ability to do work. In this context, we consider energy in one of it forms, chemical energy.
The chemical energy obtained through digestion of food mostly in the form of glucose is the fuel for almost all of life's processes. This chemical form of energy serves as the power house for our functioning.
Energy is required by the brain to power it and carry out its function. Without energy being supplied to the brain, there won't be a living being.
Energy is needed for locomotion and other life activities. The muscles, bones and other appendages gets their coordination power from the energy released during metabolic processes.
It can be said that all life activities revolves round how organisms obtains and utilize energy.
Nutrients are the nourishment we derive from feeding. The nutrients helps to build our body parts e.g proteins. Energy are derieved from carbohydrates. Fats and oil are also energy sources and they help life functions. Vitamins and minerals supplies needed materials to make everyday life activities successful.