TEAS SCIENCE | 2026 UPDATED STUDY
GUIDE WITH PRACTICE QUESTIONS,
ANSWERS, AND RATIONALES
| GRADED A+ | GUARANTEED SUCCESS
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales Included
,Directional terminology Words used to explain relationships of locations of anatomical elements (distal,
posterior, medial, etc.)
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.
Reference planes Planes dividing the body to describe locations: sagittal, coronal, and transverse.
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.
GUIDE WITH PRACTICE QUESTIONS,
ANSWERS, AND RATIONALES
| GRADED A+ | GUARANTEED SUCCESS
Updated 2026 Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales Included
,Directional terminology Words used to explain relationships of locations of anatomical elements (distal,
posterior, medial, etc.)
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.
Reference planes Planes dividing the body to describe locations: sagittal, coronal, and transverse.
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.
