QUESTIONS AND ANSWERS Standard positioning of the body as standing; feet together; arms to the side; with head, eyes, and palms of hands forward. Cells The basic structural unit of an organism from which living things are crated. Cellular functions Processes that include growth, metabolism, replication, protein synthesis, and movement. Anatomical Directions Words used to explain relationships of locations of anatomical elements (distal, posterior, medial, etc.) superior, inferior, lateral, medial, distal, proximal, anterior, posterior What are the 8 anatomical directions? Distal Farther from the trunk of the body Lateral Away from the midline of the body dorsum of hand top of hand dorsum of foot Top of foot posterior Back of the body medial Toward the midline of the body anterior Located towards the front of the body inferior Lower on the body, farther from the head Organ system A group of organs that work together in performing vital body functions. Organelle A specialized part of a cell that has a specific function. Organ A self-contained part of an organism that performs a specific function. Anatomical Planes Planes dividing the body to describe locations: sagittal, coronal, and transverse. coronal, transverse, sagittal What are the 3 anatomical planes? frontal plane the coronal plane is also called? medial plane the sagitall plane is also called? Tissue A group of cells with similar structure that function together as a unit, but at a lower level than organs. Alveoli Tiny air sacs in the lungs where exchange of oxygen and carbon dioxide takes place. Asthma A lung disease characterized by inflamed, narrowed airways and difficulty breathing. Bronchi The main passageways directly attached to the lungs. Bronchioles Small passages in the lungs that connect bronchi to alveoli. cystic fibrosis
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