Test #1 Flashcards
Physiology definition
The study of the function of body parts
what is the sequence of the levels of structural organization
1: Chemical level
2: cellular level
3: Tissue level
4: organ level
5: organ system level
6: organismal level
what is chemical level
Atoms, molecules, and organelles
what is cellular level
single cell
what is tissue level
groups of similar cells
what is organ level
contains 2 or more types of tissues
what is organ system level
organs that work closely together
what is organismal level
all organ systems combined to make a whole organismw
what is the integumentary system
- skin
- prevents water loss and prevention of germs
what is the skeletal system
Provides a rigid framework to support the body and store minerals
what is muscular system
provides the force to move bones and their joint
what is the nervous system
responds to environmental changes by transmitting electrical impulses
what is the endocrine system
glands and hormones
what is the cardiovascular system
heart, veins, arteries
what is the lymphatic/ immune system
WBC + lymph nodes
what is the respiratory system
lungs
what is the digestive system
stomach + intestines
what is the urinary system
Bladder + kidneys
what is a negative feedback
- the most common form of feedback in the body
- reduces or shuts down original stimulus
- EX: regulation of blood pressure
what is a positive feedback
- increases original stimulus
- EX: platelet blood formation for blood clotting
what direction is superior
closer to the top of the head
what direction is Inferior
closer to the toes
what is anterior
face forwards
what is posterior
back forwardswh
