A bone mineral density (BMD) test measures how much calcium and other types of minerals are in an area of your bone.
Answer:
carry messages to and from the brain and spinal cord and the rest of the body
OR
it is a bundle of fibers that receives and sends message between the body and the brain
Answer:
What is the difference between the terms Matter and Element?
- Anything that occupies space and has mass is called matter. It can be solid, liquid or gas.
- Element is smallest classification of matter, which cannot be sub-divided into simpler components by chemical means.
What is an atom?
- An atom is the smallest unit of ordinary matter that forms a chemical element. Every solid, liquid, gas, and plasma is composed of neutral or ionized atoms. Atoms are extremely small, typically around 100 picometers across.
What are the 4 most common atoms to the human body?
- The four most abundant elements in the human body – hydrogen, oxygen, carbon and nitrogen – account for more than 99 per cent of the atoms inside you. They are found throughout your body, mostly as water but also as components of biomolecules such as proteins, fats, DNA and carbohydrates.
What are molecules?
- A molecule is an electrically neutral group of two or more atoms held together by chemical bonds. Molecules are distinguished from ions by their lack of electrical charge.
What is a chemical reaction?
- A chemical reaction is a process that leads to the chemical transformation of one set of chemical substances to another.
According to the Rules of Atoms, will the carbon in carbon dioxide be around in a million years? How likely is it the carbon dioxide molecule will be around? What is your reasoning?
I don't know, this one you can answer yourself
Explanation:
Because the heart has a very important task for the body, it follows a cycle called the cardiac cycle. The intervening pauses allows the blood to be emptied out completely from the atria and transferred to the ventricles before the ventricles finally pumps out the blood.
Steroids have a number of different functions but essentially all act as hormones in the body.
