This formal definition of mass lets you put it in other contexts such as calculating energy, momentum, centripetal force and gravitational force. Since gravity is very nearly the same over the surface of the Earth, weight becomes a good indicator of mass. Increasing and decreasing the amount of...
Height, weight, body mass index (BMI) and weight for height are reported for 2210 parents of a random sample of school children in Shiraz, Iran. Weight for age and weight for height centiles have been computed by the Healy, Rasbash and Yang''s nonparametric method and are presented graphi...
On Earth, your bones support the weight of your body. The size and mass of your bones are balanced by the rates at which certain bone cells (osteoblasts) lay down new mineral layers and other cells (osteoclasts) chew up those mineral layers. In microgravity, your bones do not need to su...
One of the common tasks you will have to perform as a budding scientist who is able to work with data is understanding the concept of an average. Often, you will encounter a sample of similar objects that differ according to a single characteristic you are studying, such as mass. You may...
How are the isotopes of an element similar? a. atomic number b. atomic mass c. atomic mass number Atomic Number: The atomic number of an element represents the number of electrons or the number of protons in the element while the atomic mass represents the s...
a few months ago, something is amiss — in the gym, out of the gym, or both.More of what didn’t work for you over the last few months isn’t going to work over the next few months.Changes are needed.Put the guidance in this article into practice, and build more muscle mass. ...
Body composition is the breakdown of body fat and lean mass that you carry. Unlike the BMI which only considers your height and weight, factors like your age, sex, hormone levels, lifestyle habits, and genetics all play a role in your body composition. ...
There are many different types of accelerometers. The mechanical ones are a bit like scaled-down versions of passengers sitting in cars shifting back and forth as forces act on them. They have something like a mass attached to a spring suspended inside an outer casing. When they accelerate, ...
Most species are lecithotrophic, but some are placentotrophic33. We quantify maternal provisioning with the “Matrotrophy Index” (MI), which is the estimated dry mass of the young at birth divided by the dry mass of the egg at fertilization. Most species have MI values <1, implying ...
Frailty is a new concept in rheumatology that can help identify people more likely to have less favorable outcomes. Sarcopenia and inflammaging can be rega