BIO 109
BIO 109 Exam 1 Study Questions with
Detailed Answers Graded A+ 2026
systemic anatomy
the study of the body by organ systems
Regional Anatomy
study of the body-by-body areas
surface anatomy
study of the body by exterior features
Homeostasis
Is the existence and maintenance of a relatively constant environment
within the body
negative-feedback mechanism
deviations from the set point are resisted and made smaller
positive feedback mechanism
increase the deviation from the normal value
anatomical position
To stand erect with arms at the sides and palms of the hands turned
forward
superior/inferior
above/below
anterior/posterior
front and back
ventral/dorsal
belly side/backside
BIO 109
, BIO 109
proximal/distal
closer to and farther from the origin of the body
medial/lateral
toward the midline/away from the midline
superficial/deep
toward and away from the body surface
saggital plane
divides the body into a right and left side
median plane
divides the body into equal left and right halves
transverse plane
horizontal division of the body into upper and lower portions
frontal or coronal section
divides the body (or organ) into anterior and posterior parts
pericardial cavity
contains the heart
pleural cavity
lungs
peritoneal cavity
abdominal cavity
Structure of an atom
nucleus made up of protons and neutrons; the electrons make up the
surrounding area
protons, neutrons, electrons
positive, neutral, negative
BIO 109
BIO 109 Exam 1 Study Questions with
Detailed Answers Graded A+ 2026
systemic anatomy
the study of the body by organ systems
Regional Anatomy
study of the body-by-body areas
surface anatomy
study of the body by exterior features
Homeostasis
Is the existence and maintenance of a relatively constant environment
within the body
negative-feedback mechanism
deviations from the set point are resisted and made smaller
positive feedback mechanism
increase the deviation from the normal value
anatomical position
To stand erect with arms at the sides and palms of the hands turned
forward
superior/inferior
above/below
anterior/posterior
front and back
ventral/dorsal
belly side/backside
BIO 109
, BIO 109
proximal/distal
closer to and farther from the origin of the body
medial/lateral
toward the midline/away from the midline
superficial/deep
toward and away from the body surface
saggital plane
divides the body into a right and left side
median plane
divides the body into equal left and right halves
transverse plane
horizontal division of the body into upper and lower portions
frontal or coronal section
divides the body (or organ) into anterior and posterior parts
pericardial cavity
contains the heart
pleural cavity
lungs
peritoneal cavity
abdominal cavity
Structure of an atom
nucleus made up of protons and neutrons; the electrons make up the
surrounding area
protons, neutrons, electrons
positive, neutral, negative
BIO 109
