respiration and circulatory
system with 100% correct
answers ( graded A+)
respiration surface - answer as gases are exchanged, they pass
through a boundary known as the ______
tidal volume - answer Amount of air that moves in and out of the
lungs during a normal breath
vital capacity - answer The total volume of air that can be exhaled
after maximal inhalation.
residual volume - answer Amount of air remaining in the lungs
after exhalation
decrease in pH - answer the medulla oblongata increases
breathing when it detects a ___________________ of the
cerebrospinal fluid
negative feedback loop - answer the feedback loop involved in
breathing
surfactants - answer the alveoli secrete ____________
, alveoli - answer surfactants prevent ___________ from sticking
together
gas exchange - answer the alveoli are beneficial in increasing
_____ _____________
red blood cells - answer cells responsible for carrying oxygen in
the circulatory system
white blood cells - answer cells responsible for fighting infections
in the circulatory system
platalets - answer cell fragments involved with blood clotting
plasma - answer _____ is 90% water (in the blood). contains
nutrients and water and is 55% of the liquid in the circulatory
system of mammals.
hemoglobin - answer An iron-containing protein in red blood cells
that reversibly binds oxygen.
4 - answer hemoglobin is comprised of __ polypeptide chains
open circulatory system - answer the type of circulatory system
used by most invertebrate animals. involves pumping hemolymph
through open ended vessels.