bio 225 (MM02)

This is written out chapter 1 college level anatomy class. The notes cover anatomical body planes, directional terms, laterality terms, body cavities, and subdivision of the dorsal body cavities. All of these terms written down have the definition to them plus some extra notes on chapter 1 of anatomy.

Spinal cord and attached spinal nerves functions (2) correct answer: Pathway for sensory and motor impulses Responsible for reflexes, which are quickest reactions to a stimulus Gross anatomy of spinal cord correct answer: Length: 42-45 cm, 16-18 inches Roughly cylindrical, slightly flattened posteriorly and anteriorly Longitudinal depressions on external surface of spinal cord correct answer: Posterior median sulcus Anterior median fissure Parts of spinal cord (5) correct answer:...

Functions of the respiratory system correct answer: Main function is breathing Gas conditioning Sound production Olfaction Defense Anatomical division of respiratory system correct answer: Upper and lower respiratory tracts Functional division of respiratory system correct answer: Conducting and respiratory portions Components of upper respiratory tract correct answer: Nose and nasal cavities Paranasal sinuses Pharynx Components of upper respiratory tract are part of... cor...

Primary and accessory male sex organs correct answer: Primary sex organs are the testes Accessory organs include a complex set of ducts and tubules leading from the testes to the penis Organ of copulation correct answer: Penis Scrotum correct answer: Skin-covered sac that provides the testes with a cooler environment than body temperature Homologous to the labia majora in the female Raphe correct answer: Separates the two scrotal sacs Dartos muscle correct answer: Layer of smo...