Anatomy Questions
Explore questions in the Anatomy category that you can ask Spark.E!
What activity will prevent cilia from continuously sweeping mucus and trapped debris upward toward the pharynx?- holding your breath - smoking - drinking alcohol - running
What is the purpose of the diaphragm, a large sheet of muscle that forms the lower boundary of the chest cavity?- It facilitates inhalation and exhalation. - As it contracts, it assists the heart in moving blood to the lungs. - It controls oxygenation of the blood. - Along with the ribs it protects the heart and lungs.
Assume that you watch an earthworm crawl across the pavement on a warm sunny day and notice that its skin is drying out. What will be the immediate result of dry skin and the ultimate cause of death?- heat effects - dehydration - starvation - suffocation
What are spiracles?- openings into the tracheae of insects - openings into the alveoli of the lungs - openings between the gills of a frog tadpole - openings to the bronchi
________ is a waste product of cellular respiration. - Glucose - Nitrogen - Oxygen - Carbon dioxide - ATP
Although amphibians use gills during their aquatic larval stage and develop simple, sac-like lungs as adults, some may also depend on an additional mechanism for gas exchange. What is it?- inflatable air sacs that store air - thin projections of the body surface that protrude into the surrounding water - countercurrent exchange mechanisms - diffusion of gases into and out of capillaries through their thin, moist skin
In what part of the lung does gas exchange occur?- bronchioles - larynx - alveoli - bronchi
Which sequence of animals is an example of how animal respiratory systems evolved?- lizard-shark-bird-salamander - shark-lizard-salamander-bird - shark-salamander-lizard-bird - bird-lizard-salamander-shark - salamander-lizard-shark-bird
Subsequently, the diaphragm and the intercostal muscles relax, causing a reduction in lung _____________ and an increase in ___________ in the lungs and causing air to be pushed ___________.
Periodic inspiration ____________________ and expiration __________________ from lungs clear out air rich in ____________ and replaces it with air rich in___________.
A small amount of air rich in carbon dioxide, called the ___________ remains ________ in _________ after expiration and mixes with the air rich in ________ brought in through _____________.
Inhalation brings in __________, while exhalation releases ______________.
The diaphragm and the intercostal muscles between the ribs contract simultaneously to _________________. This ____________ the ____________ in the lungs and draws air _________.
The breathing control centers of the __________________ control respiration through monitoring ________________ levels and _________. If blood pH starts to decrease, then ___________ will __________to balance ___________ and ______ levels.
The left lung has ____________ lobes: the ___________________ lobes.
Be aware of the effect of environmental pollutants such as chemicals, pollen, and smoke, which can impede lung function by damaging ________or causing emphysema, allergies, and inflammation.
For example, asthma is a condition in which the..... This results from the ___________ of the airways or from _________________. Asthma can make it difficult to inhale and exhale normal amounts of air. This can lead to ________________, ____________ , and ___________.
The amount of air breathed in and out of the lungs during a normal breath is called the
The heart's pulmonary system sends blood low in oxygen and high in carbon dioxide to the lungs where oxygen is picked up and carbon dioxide is dropped off.This happens where capillaries of the circulatory system interact with ___________ of the lungs. This _____________ blood is then returned to the ____________ where the ____________ circulation sends it to all parts of the__________. As oxygen is consumed by the __________, the blood becomes _____________ and is returned to the ____________.
Each lobe is divided into. _________________.Each segment receives air from its ______________ and receives blood from its ____________________.