chapter 2 Flashcards
1
Q
two isotopes of the same element have different numbers of
A
neutrons
2
Q
The ______ half-life is the time it takes for half of the radioactive material to be eliminated from the body.
A
biological
3
Q
Specific heat is measured in ______.
A
calories
4
Q
functions of water
A
Unwanted substances are eliminated from the body through water.
Substances are dissolved in water and transported around the body.
5
Q
Surfactant decreases surface tension and keeps our ______ from collapsing.
A
lungs