Levels of Organization
the smallest unit of life
what is a cell
This is the term for moving a limb away from the midline of the body
What is abduction?
Define homeostasis
the ability of the body to maintain a constant internal environment within prescribed physiological limits
This plane divides the body into left and right parts
What is a sagittal plane
the highest level of organization in the human body
what is the organism level?
This term describes the position of the body standing upright with arms at the sides and palms facing forward
What is the anatomical position?
This is an example of an external stressor
what is heat, cold, noise, light, exercise
This cavity contains the brain.
What is the cranial cavity.
This structure is made up of two or more different tissues.
What is an organ?
the term for the position that is closer to the midline of the body.
what is medial?
Give an example of negative feedback
what is blood pressure, blood sugar. temperature regulation
What is the term for the abdominal cavity?
Spaces within the body that contain internal organs
List the four basic types of tissues found in the human body.
What is epithelial tissue, connective tissue, nervous tissue, muscular tissue
Define "flexion" in the context of joint movement.
What is moving a joint to decrease the angle.
give an example of positive feedback
what is breast feeding, childbirth, blood clotting
Define the term "transverse plane."
a horizontal plane which divides the body or structure into superior and inferior structures
This level of organization is represented by the heart, lungs, and blood vessels
what is the cardiovascular system
Demonstrate the motion of pronation and supination
Pronation turning the hand inward palm facing down. Supination rotating the hand upward palm facing up.
How do feedback mechanisms maintain homeostasis?
negative feedback: response counteracts the input
positive feedback: the response intensifies the input
Explain the difference between the thoracic and abdominal cavities.
thoracic: has pleural cavities, mediastinum, pericardial cavity.
abdominal: divided into 4 quadrants RUQ LUQ RLQ LLQ houses many organs