Lesson 1 - organization of The Human Body Flashcards
What are the basic needs essential to human life?
- Oxygen
- Nutrients
- Narrow range of temperature
- Narrow range of atmospheric pressure
Define homeostasis.
The maintenance of a relatively stable internal environment.
What is metabolism?
The chemical reactions that occur in the body, including catabolism and anabolism.
What is the anatomical position?
The body standing upright with arms at the sides and palms facing forward.
What does the term ‘superior’ refer to?
A position above or higher than another part of the body.
What does ‘proximal’ mean in anatomical terms?
Nearer to the point of attachment or trunk of the body.
What are the three basic anatomical reference planes?
- Sagittal
- Frontal
- Transverse
What does a sagittal section divide the body into?
Right and left parts.
What is the purpose of the dorsal body cavity?
To protect the brain and spinal cord.
What organs are contained within the abdominal cavity?
- Stomach
- Liver
- Intestines
- Other organs
What is the function of the diaphragm in relation to body cavities?
It separates the thoracic and abdominopelvic cavities.
What does the term ‘lateral’ describe?
The side or direction toward the side of the body.
What is the definition of catabolism?
The breaking down of complex substances into simple building units.
