The watery medium that surrounds a cell is known as _____.
Extracellular Fluid
The brain relies solely on ________ as its energy source. If it is deprived of this substrate, the cells soon die.
Glucose
The fluid substance of blood is called _____.
Plasma
________ is a tissue that is modified to transmit chemical and electrical signals from one cell to another.
Neuron
Digestion refers to the _____.
breakdown of food into particles small enough to cross epithelial cells
Excretion is a function of the body. Which of the following would be considered excretion?
Movement of sodium from the intestines to the bloodstream
Movement of glucose from the kidney to the blood stream
Movement of potassium from kidney cells into one's urine
Movement of salt from sweat glands to the surface of the skin
Movement of oxygen from the lungs to the blood stream
Movement of salt from sweat glands to the surface of the skin
All of the hormones secreted by the adrenal gland play a major role in growth and metabolism.
False
The liver and skeletal muscles store glucose as ________ for a ready energy source.
Glycogen
Rugae, plicae, and villi are all features that accomplish ______.
An increase in surface area
True or False. Most obese humans are deficient in leptin.
False
Technically, the kidneys are located _____.
behind the peritoneal membrane
The feeding and satiety centers are located in the _____.
Hypothalamus
The most practical way to estimate a person's basal metabolic rate is to measure it when the person is _____.
at rest/after a 12-hour fast
Functions of epithelia include all of the following EXCEPT _____.
Providing Physical Protection
Controlling Permeability
Producing Specialized Secretions
Storing Energy Reserves
Movement
Storing Energy Reserves
Which of the following is an accessory organ of digestion?
Stomach
Colon
Spleen
Esophagus
Pancreas
Pancreas
Which structure is NOT part of the blood circulation through the kidney?
Vasa Recta
Loop of Henle
Glomerulus
Renal Corpuscle
Loop of Henle
Adipocytes secrete the hormone _____.
Leptin
Metabolism is a term that describes ______.
all chemical reactions that take place within an organism
The esophagus is a tube that carries food from the mouth to the stomach. It does not secrete any enzymes or absorb any nutrients, but it does need to stand up to significant friction and stress. The type of epithelium most likely lining the esophagus would be _____.
Stratified Squamous Epithelium
The beta cells of the pancreas produce _____.
Insulin
A glomerulus is _____.
a "knot" of capillaries that lies within the Bowman's capsule
The hormone vasopressin _____. What does it do?
stimulates the kidneys to conserve water
The ________ are sheets of peritoneal membrane that hold some of the visceral organs in their proper position.
Serosa
Adventitia
Mesenteries
fibrosa
lamina propria
Mesenteries
Where is stratified cuboidal epithelium tissue found within the human body?
Glands. Plays a role in secretion and absorption
Chief cells secrete ______.
Pepsinogen