Examlex
When you walk into a dark room, the _____ smooth muscles of the iris ____ the pupil of your eye.
Blood Capillary
The smallest blood vessels in the body, connecting arterioles to venules and facilitating the exchange of water, oxygen, carbon dioxide, and many other nutrient and waste chemical substances between blood and surrounding tissues.
Vena Cava
Large systemic vein that returns blood to the right atrium of the heart in tetrapods; either the superior or inferior vena cava.
Antihistamine
A type of medication that blocks histamine receptors and is used to treat allergic reactions by reducing symptoms like nasal congestion, sneezing, or itching.
Histamine
Substance, produced by basophils in blood and mast cells in connective tissue, that causes capillaries to dilate.
Q2: Indicate whether each statement is true or
Q7: Hypoalbunemia would cause<br>A) An increase in glomerular
Q17: People with type O blood can be
Q17: As one ages, there is an increased
Q19: An antigen presenting cell presents antigen to
Q34: At the venous end of tissue capillaries,
Q46: Creatine phosphate<br>A) is produced by the process
Q49: The serous pericardium just internal to the
Q86: The letter D on this figure is
Q98: The bone disease osteoporosis is associated with<br>A)