AND ANSWERS GRADED A PLUS
◉ Cells
Answer: The basic structural unit of an organism from which living
things are crated.
◉ Cellular functions
Answer: Processes that include growth, metabolism, replication,
protein synthesis, and movement.
◉ Directional terminology
Answer: Words used to explain relationships of locations of
anatomical elements (distal, posterior, medial, etc.)
◉ Distal
Answer: Farther from the trunk of the body
◉ Lateral
Answer: Away from the midline of the body
,◉ dorsum of hand
Answer: top of hand
◉ dorsum of foot
Answer: Top of foot
◉ posterior
Answer: Back of the body
◉ medial
Answer: Toward the midline of the body
◉ anterior
Answer: Located towards the front of the body
◉ inferior
Answer: Lower on the body, farther from the head
◉ Organ system
Answer: A group of organs that work together in performing vital
body functions.
,◉ Organelle
Answer: A specialized part of a cell that has a specific function.
◉ Organ
Answer: A self-contained part of an organism that performs a
specific function.
◉ Reference planes
Answer: Planes dividing the body to describe locations: sagittal,
coronal, and transverse.
◉ Tissue
Answer: A group of cells with similar structure that function
together as a unit, but at a lower level than organs.
◉ Alveoli
Answer: Tiny air sacs in the lungs where exchange of oxygen and
carbon dioxide takes place.
◉ Asthma
Answer: A lung disease characterized by inflamed, narrowed
airways and difficulty breathing.
, ◉ Bronchi
Answer: The main passageways directly attached to the lungs.
◉ Bronchioles
Answer: Small passages in the lungs that connect bronchi to alveoli.
◉ cystic fibrosis
Answer: A genetic disorder that affects the lungs and other organs,
characterized by difficulty breathing, coughing up sputum, and lung
infections.
◉ perfusion
Answer: The passage of fluid to an organ or a tissue.
◉ pleura
Answer: A membrane around the lungs and inside the chest cavity.
◉ Surfactant
Answer: a lipoprotein secreted by the alveoli that lowers the surface
tension in the alveoli, reduces the amount of pressure needed to
inflate the alveoli, and decreases the tendency of the alveoli to
collapse.