Circulatory System
Fluid is not confined to vessels
What is an open system
Primarily consists of water
What is blood plasma?
Chemical messengers secreted into blood
What are hormones?
Structures that work with bones to produce movement
What are muscles?
Characteristic of returning to typical shape after stretching or contraction
What is elasticity?
What is a single circuit?
Cells that carry oxygen on hemoglobin
What are RBCs?
This gland responds to the hypothalamus and regulates other glands
What is the (anterior) pituitary?
Only bone that does not articulate with any other bone
What is the hyoid?
These are bundles of muscle fibers that are visible to the naked eye
What are fascicles?
Blood leaves the heart from this chamber
What is a ventricle?
Function in initiating blood clotting
Wha are platelets?
Releases hormones in response to blood glucose levels
What is the pancreas?
Provide shock absorption between vertebrae
What are intervertebral discs?
ATP is used in this part of the contraction cycle
What is releasing the crossbridge?
This type of circulation maintains a higher blood pressure to tissues
What is double circulation?
Accounts for most of the osmotic pressure of blood
What is protein?
Increases or decreases of this have dramatic effects on metabolism
What are thyroid hormones?
Coxal bones, scapula, & clavicle
What are girdles?
This molecule is used to bind phosphate so it can be transferred to ADP
What is creatine?
This group of organisms experiences pulmocutaneous respiration
What are amphibians?
Inorganic salts dissolved in blood
What are electrolytes?
This gland decreases in size as a person ages
What is the thymus?
Joint type of the skull bones that are not mobile
What are fibrous joints?
The process that provides the bulk of ATP for prolonged activity
What is aerobic cellular respiration?