Chapter 1 Flashcards
What is physiology?
The study of the functions of the body
What is anatomy?
The study of structure of body parts and their relationships to one another.
What are the levels of organizations?
Atoms, molecules, organelles, cells, tissues, organs, organ systems, organisms.
Integumentary
Skin hair nails
Skeletal
Bones
Muscular
Muscles
Nervous
Brain, nerves, spinal cord
Endocrine
Hormones
Cariovascular
Veins and heart
Lymphatic
Cleans the blood and provides immunity lymph nodes
Respiratory
Lungs and bronchus
Digestive
Trachea, stomach and intestines
Urinary
Eliminates nitrogenous waste. Bladder, kidneys
Reproductive
Vagina and penis
What are the functions necessary for life?
Maintaining boundaries, movement, responsiveness, digestion, metabolism, excretion, reproduction, growth
Survival needs?
Nutrients, oxygen, water, body temp, atmospheric pressure
Negative feedback
The bodies ability to maintain homeostasis by one reaction leading to the opposite reaction.
Positive feedback
One reaction until the outcome is achieved
Superior
Toward the head
Inferior
Toward the feet
Ventral (anterior)
Toward the front
Dorsal (posterior)
Toward the back the body
Medial
Toward the midline
Lateral
Away from the midline
Intermediate
Between a more medial and a more lateral
Proximal
Closer to the origin of the body part
Distal
Farther from the origin of the body part
Superficial
Toward the surface of the body
Deep
Away from the body surface
Cephalic
Head region
Frontal
Forehead