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Earlean Ross
Anatomy 1-2
| Question | Answer |
|---|---|
| What is the fundamental difference between anatomy and physiology? | Anatomy is the study of the structure of body parts and their relationships, while physiology is the study of how those body parts work and function. |
| List the levels of structural organization in the human body, from simplest to most complex. | The hierarchy is chemical level (atoms and molecules), cellular level (cells), tissue level (tissues), organ level (organs), organ system level (organ systems), and organismal level (organism). |
| Describe the standard anatomical position. | The body is erect, with feet slightly apart, palms facing forward, and thumbs pointing away from the body. |
| Name the three body planes and the sections they divide the body into. | sagittal plane divides the body into left and right parts; the frontal (coronal) plane divides the body into anterior and posterior parts; and the transverse (horizontal) plane divides the body into superior and inferior parts. |
| Explain the difference between organic and inorganic compounds. | Organic compounds contain carbon, are typically large, and are covalently bonded (e.g., carbohydrates, lipids, proteins). Inorganic compounds generally do not contain carbon and are smaller and simpler (e.g., water, salts, acids). |
| What is the role of ATP in the body? | ATP (adenosine triphosphate) is the primary energy-transferring molecule in the body's cells, providing a readily usable form of energy for cellular work. |
| Differentiate between ionic and covalent bonds | In an ionic bond, electrons are transferred from one atom to another. In a covalent bond, electrons are shared between atoms. |
| What four major elements make up approximately 96% of the body's mass? | Carbon (C), Oxygen (O), Hydrogen (H), and Nitrogen (N). |