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...  RER = Carbon dioxide/Oxygen consumed  RER is a marker for the proportion of fat or carbohydrate being used for fuel at different intensities during steadystate exercise.  At rest, the average RER is 0.75, meaning that the body is burning approximately 85% fat and 15% carbohydrate.  As intensity ...
Test Review – Ch
Test Review – Ch

... 22. Do cells produce more or less ATP in the presence of oxygen? More 23. Why do plants have mitochondria if they can make their own food? To produce ATP 24. How are photosynthesis and cellular respiration connected? Reverse reactions. Product of one is reactant for the other 25. What is the role of ...
The Human Respiratory System
The Human Respiratory System

... The lungs are the main organs of the respiratory system. In the lungs oxygen is taken into the body and carbon dioxide is breathed out. The red blood cells are responsible for picking up the oxygen in the lungs and carrying the oxygen to all the body cells that need it. The red blood cells drop off ...
Respiratory System
Respiratory System

... • To exchange O2 and CO2 between the environment and the organism • To maintain homeostasis within the organism ...
external/ internal intercostals and the diaghragm
external/ internal intercostals and the diaghragm

... Process: of exchanging gases between the Alveoli (AL-V-LI) of the lung (air sacs) and the blood. Oxygen leaves the alveoli lung membrane diffuse into the capillary and attach to the hemoglobin as oxyhemoglobin. While carbon dioxide leaves the capillary and enters the alveoli. Interrnal Respiration P ...
the respiratory system
the respiratory system

Explain the main function of the Respiratory System.
Explain the main function of the Respiratory System.

... Respiratory system takes in oxygen and the Circulatory system carries the oxygen throughout the body (blood) ...
Evolution Mechanisms
Evolution Mechanisms

Natural Selection
Natural Selection

... Two main conclusions: 1. Species were not created in their present form, but evolved from ancestral species. 2. Proposed a mechanism for evolution: NATURAL SELECTION ...
The Circulatory System - Bingham-5th-2012
The Circulatory System - Bingham-5th-2012

... What is the function of the blood vessels and the capillaries? The Capillaries exchange water and other chemicals between the blood and body tissues. Why does blood turn dark red as it circulates through the body? It turns dark red because it gets less oxygen as it goes through the body to the heart ...
Mrs - St. Aidan School
Mrs - St. Aidan School

... Air Pressure Force that drives air into lungs. The lungs are sealed into two sacs. At the bottom is the diaphragm. System works because the chest cavity is sealed. ...
Evolution notes
Evolution notes

... • VI. Homologous Structures: structures found in organisms with a common evolutionary history. ...
Document
Document

... ENERGY + 6CO2 ...
Vertebrate and Invertebrate Structures
Vertebrate and Invertebrate Structures

Words to Pronounce
Words to Pronounce

... oxygen, sulfur, and phosphorus. (3 of these elements make the fat in our bodies. What are they?) ...
III. Ventilation and Transport of Gases
III. Ventilation and Transport of Gases

... A. It is more difficult for animals to obtain oxygen from water than from air. 1. Water fully saturated with air contains only a fraction of the amount of oxygen that would be present in the same volume of air. 2. Also, water is denser than air. 3. Therefore, aquatic animals expend more energy carry ...
evolution - Fall River Public Schools
evolution - Fall River Public Schools

... Fossils are remains or traces of organisms from the past. They are found in sedimentary rock. Paleontology is the study of fossils.  Fossils show that evolutionary changes have occurred over time and the origin of major new groups of organisms.  Darwin’s theory of evolution through natural selecti ...
from a few genes lifes myriad shapes
from a few genes lifes myriad shapes

Worksheet 19.3: Earth`s Early History
Worksheet 19.3: Earth`s Early History

... The endosymbiotic theory explains the evolution of eukaryotic cells. According to the theory, ancient prokaryotes developed a symbiotic relationship with smaller prokaryotes that lived inside them. Some of these smaller prokaryotes could use oxygen to make ATP. These aerobic prokaryotes evolved into ...
Birds
Birds

... Evolution of birds: Fossil evidence shows that birds evolved from the same line as crocodiles and dinosaurs.  Archaeopteryx was an ancient bird with a reptile-like tail, clawed fingers on the wings, teeth, a fused furculum and a body covered with feathers. ...
Respiratory System
Respiratory System

... At rest, a person breathes about 14 to 16 times per minute. After exercise it could increase to over 60 times per minute. New babies at rest breathe between 40 and 50 times per minute. By age five it decreases to around 25 times per minute. The total surface area of the alveoli (tiny air sacs in the ...
File
File

... (air left in the lungs after a vital capacity is exhaled) 2. can not be measured because that air is necessary to keep the structures of the lungs at least partially inflated during exhalation c. Oxygen consumption with Exercise i. Active muscle tissue consumes more oxygen & produces more carbon dio ...
Human Body Systems
Human Body Systems

... • If you damage one system, you may damage several like smoking which irritates the lungs and also destroys the macrophages of the immune system and brain cells! ...
If a strand of DNA has the following nucleotide sequence
If a strand of DNA has the following nucleotide sequence

... at one time was used in pressure-treated lumber? A. conifers B. mosses C. ferns D. horsetails E. lycopods 11. Sapwood is ____ than heartwood and is found closer to the __________. A. younger, cambium B. older, center of the stem C. older, cambium D. younger, center of the stem E. younger, closer to ...
RespiratorySystem
RespiratorySystem

... **The main job of the respiratory system is to get oxygen into the body and waste gases out of the body**  The respiratory system is responsible for transporting gases to and from the circulatory system.  Respiration is a vital function for all living things. Organisms cannot live more than a few ...
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Organisms at high altitude



Organisms can live at high altitude, either on land, or while flying. Decreased oxygen availability and decreased temperature make life at high altitude challenging. Despite these environmental conditions, many species have been successfully adapted at high altitudes. Animals have developed physiological adaptations to enhance oxygen uptake and delivery to tissues which can be used to sustain metabolism. The strategies used by animals to adapt to high altitude depend on their morphology and phylogeny.
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