1. Human Anatomy/Physiology
Chapter 1A Vocabulary

2. Branch of science dealing with the form and structure of body party
1. Anatomy
Branch of science dealing with the form and structure of body party

3. Branch of science dealing with body functions
2. Physiology
Branch of science dealing with body functions

4. Smallest particle of an element that has properties of that element
3. Atoms
Smallest particle of an element that has properties of that element

5. A particle composed of two or more joined atoms
4. Molecules
A particle composed of two or more joined atoms

6. 5. Macromolecules
A large molecule

7. The structural and functional unit of life
6. cell
The structural and functional unit of life

8. A part of a cell that performs a specialized function
7. Organelles
A part of a cell that performs a specialized function

9. A group of similar cells that performs a specialized function
8. Tissue
A group of similar cells that performs a specialized function

10. 9. Organs
A structure consisting of a group of tissues with a specialized function

11. 10. Organ Systems
A structure consisting of a group of organs with a specialized function

12. 11. Organism
An individual living thing, a group of organ systems that work together to sustain life

13. 12. Metabolism
All of the chemical reactions in cells that breaks down or builds up substances

14. Most abundant chemical in the body, required for metabolic processes
13. Water
Most abundant chemical in the body, required for metabolic processes

15. 14. Foods
Substances that provide the body with necessary chemicals in addition to water

16. Gas that makes up 1/5 of the air and drives metabolic processes
15. Oxygen
Gas that makes up 1/5 of the air and drives metabolic processes

17. Form of energy that is a product of metabolic processes
16. Heat
Form of energy that is a product of metabolic processes

18. Application of force to something
17. Pressure
Application of force to something

19. Referring to the inside of an organism
18. Internal Environment
Referring to the inside of an organism

20. The condition of a stable internal environment
19. Homeostasis
The condition of a stable internal environment

21. 20. Homeostatic mechanisms
Self-regulating control systems that allow the body to maintain homeostasis

22. Specialized cells that provide information about the environment
21. Receptors
Specialized cells that provide information about the environment

23. Tells what a particular value should be; ex – body temperature
22. Set Point
Tells what a particular value should be; ex – body temperature

24. Causes responses that alter conditions in the internal environment
23. Effectors
Causes responses that alter conditions in the internal environment

25. A mechanism activated by an imbalance that corrects the imbalance
24. Negative Feedback
A mechanism activated by an imbalance that corrects the imbalance

26. Pertaining to the head, neck and trunk
25. Axial
Pertaining to the head, neck and trunk

27. Pertaining to upper or lower limbs
26. Appendicular
Pertaining to upper or lower limbs

28. Cavity that houses the skull
27. Cranial Cavity
Cavity that houses the skull

29. Contains the spinal cord within the sections of the backbone
28. Vertebral Canal
Contains the spinal cord within the sections of the backbone

30. Cavity containing the chest
29. Thoracic Cavity
Cavity containing the chest

31. 30. Abdominopelvic Cavity
The space between the diaphragm and the lower portion of the trunk

32. Organs within the thoracic and abdominopelvic cavities
31. Viscera
Organs within the thoracic and abdominopelvic cavities

33. Thin muscle separating the thoracic and abdominopelvic cavities
32. Diaphragm
Thin muscle separating the thoracic and abdominopelvic cavities

34. Separates thoracic cavity into two compartments containing lungs
33. Mediastinum
Separates thoracic cavity into two compartments containing lungs

35. Cavity pertaining to the portion between diaphragm and pelvis
34. Abdominal Cavity
Cavity pertaining to the portion between diaphragm and pelvis

36. Portion of the abdominopelvic cavity enclosed by the hip bones