A woman has a body mass of 64 kg. Muscles make up 40 to 50% of the body weight of an adult…
Contributed by StemPy LabTry it on paper first. A hint, the key idea and the worked solution are here when you need them.
A woman has a body mass of kg. Muscles make up to of the body weight of an adult.
- What is the least mass of her muscles?
- What is the greatest mass of her muscles?
- At the least share, what mass of her body is not muscle?
Need a reminder? The key ideaShow
Movement is any change in the position of the body or of a part of it. Locomotion is a voluntary movement that changes the place of the whole body. The kinds of movement are amoeboid, ciliary, flagellar and muscular. About to of the body weight of an adult is muscle.
The worked solution
Have you tried it?
Work it out on paper first. It is fine to get stuck or make a mistake: that is how we learn. When you are ready, go through the solution one step at a time, and check each step against your own.
Given. Body mass: kg. Share of muscle: to .
Plan. Take the two shares of the body mass.
Step 1. The least. .
Step 2. The greatest. .
Step 3. The rest at the least share. . This is also of kg.
Answer: kg; kg; kg.
Check. kg, the whole body.
Watch out. These shares come from a textbook for an adult. The share of muscle differs with age, sex and training.
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