the pacemaker of the heart, that can be slowed by parasympathetic nerve impulses or speeded up by sympathetic nerve impulses
What is the SA node?
100
The type of respiration where oxygen is picked up (in the alveoli)
What is external respiration?
100
Where chemical digestion of carbohydrates begins
In the mouth, with salivary amylase
100
produces insulin and glucagon to maintain blood sugar homeostasis
What is the pancreas?
100
the two major structures in the central nervous system
What are the brain and spinal cord?
200
The chamber of the heart the receives oxygenated blood from the pulmonary veins
What is the left atrium?
200
they type of respiration where oxygen is dropped off (in the capillaries of the body's tissues)
What is internal respiration?
200
Where feces is formed, remaining water is absorbed, some nutrients are absorbed (but not the majority), and mass movements occur to push feces forward?
What is the large intestine?
200
controls hormone production of the anterior pituitary and hormone secretion of the posterior pituitary
What is the hypothalamus?
200
what channels open to allow a cation to enter in initiate depolarization so that an action potential can occur
sodium (Na) channels
300
The part of the pericardium that covers the heart itself
What is the visceral pericardium
300
the windpipe
What is the trachea?
300
An accessory organ of the digestive system where bile is stored
What is the gallbladder?
300
strengthens uterine contractions so that the cervix dilates to 10 centimeters
What is oxytocin?
300
SLUDD is an acronym for remember the effects of this nervous system response
What is the parasympathetic nervous system?
400
where blood is least oxygenated
What is the pulmonary arteries
400
The protein in red blood cells that binds oxygen in the alveolar capillaries and dumps of carbon dioxide
What is hemoglobin?
400
Contains circular folds, villi, and microvilli and simple columnar epithelium; where most absorption and digestion of nutrients occurs
What is the small intestine?
400
speeds metabolism and is secreted by a gland located anterior to the larynx
What are thyroid hormones?
400
the thalamus, pituitary gland, and hypothalamus are located within this brain region
What is the diencephalon?
500
the thinnest walled vessels that deliver oxygenated erythrocytes to tissues and reabsorb deoxygenated erythrocytes
What are capillaries?
500
the two muscles that contract during passive breathing
What are the external intercostals and the diaphragm?
500
has two lobes and hepatocytes that make bile
What is the liver?
500
circulate throughout the bloodstream to their target cells