Question | Answer |
A substance made of only one type of atom is called an ___. | element |
Name the element represented by each chemical symbol. Fe ___ Na___ P___ | Iron=Fe Sodium=Na Phospherus=P |
The most abundant compound in the human body is ___. | H20 |
What 3 things are needed for a balanced chemical state of the body? | Acids, bases, and buffers |
What are 3 major regulatory systems to maintain chemical balance? | Buffer system, Renal system, and Respiratory system |
A ___ is regarded to as a "chemical sponge." | buffer |
The smallest part of an element that still retains properties of that element is a/an ___. | atom |
The kind of change that produces a new substance is a ___ change. | chemical |
The ___ is considered the basic unit of life. | cell |
What is the neutral pH? | 7.0 |
An increase in ___ ions makes a solution more acidic. | hydrogen |
What is the substance of all living material? What does it mean? | protoplasm:original substance |
Which organelle functions as the protein factories in the cell? | ribosomes |
Is the elbow considered proximal or distal to the shoulder? | distal |
Three types of muscle tissue are: | cardiac, smooth, and skeletal |
What part of the body is the thorax in? | chest |