Respiration Paper

Submitted By terminator0401

Words: 441

Pages: 2

Open Document

Respiration Continued

Co2 Transportation
• Co2 diffuses from tissue into blood stream
• 7% is carried as co2 in plasma
• 70% gets carried into red blood cells
• Co2 is reacted with water into carbonic acid which then dissociates into hydrogen ions and bicarbonate ions (which leaves the cell ) o Hemoglobin picks up hydrogen ions so pH of blood doesn’t change
• 23% is picked up by hemoglobin directly and then becomes a compound called carbaminohemoglobin
• Co2 then gets carried to lungs, bicarbonate goes back into the red blood cells reacts with H+ back into carbonic acid and then back into Co2 and water.
• The Co2 then exits the cells to be released out of the lungs

Circulatory system
Open circulatory system (arthropods, mollusks, etc.)
• No separation between interstitial fluid and blood the mixture is called hemolymph
• Heart pumps blood into sinuses, which surround organs.
• Muscle contractions move blood back to heart.
• Ostia leads from sinuses back to heart
Closed circulatory system (mammals, earthworms, etc.)
• Blood never leaves vessels
• True separation between blood and interstitial fluid
• Better transportation of oxygen which means can move for longer (greater endurance)
• Heart o In thoracic cavity (about size of fist and weighs about a pound) o Contracts so it is subjected to friction o Because of this it is surrounded by pericardium (fluid filled sac) which reduces friction o Septum divides heart into two sides o Right side receives deoxygenated blood and pumps to lungs o Left side receives oxygenated blood from lungs and pumps to rest of body o Separated into upper and lower chambers o Atria are smaller because they only pump blood to ventricles o Ventricles pump blood to lungs or rest of body o Valves that separate atria from ventricles are atrioventricular valves (bi and tri-cuspid) o Blood pressure keeps valves closed o Semilunar valves separated ventricles from blood vessels

Cellular Respiration Research Paper

Cellular Respiration & Photosynthesis Cellular Respiration As living things we all need energy to function and we get it from all food we eat. Cells get the energy from stored food through cellular respiration, an easy way for them to get ATP. ATP is an energy molecule. There are three phases of cellular respiration: glycolysis, the citric acid cycle, and electron transport. Phases #1: Glycolysis Glycolysis is the phase where sugar (glucose) is split into two molecule of a three carbon…

Words 394 - Pages 2

Cellular Respiration Research Paper

Cellular respiration can be defined as the set of reactions that take place inside a cell to convert energy from nutrients into the high-energy molecule adenosine triphosphate (ATP), this energy is used to fuel all the activities of the cell, with the release of waste products (Biology Online Dictionary , 2010). Energy can be defined as the ability to do work; cellular respiration provides energy to do this work in living organisms. Cellular respiration is important as it allows all organisms to…

Words 758 - Pages 4

Cellular Respiration And Yeast Research Paper

Cellular respiration is the process in which you take, for example, glucose and yeast and as a result you get CO2. Which is a very testable topic. In cellular respiration microorganisms obtain the energy available in carbohydrates, like glucose, carbon dioxide and water. Almost all living things, even those that photosynthesize, “burn” sugar as a source of energy. Yeast is a tiny fungus, which has single oval cells that reproduce and are converting sugar into alcohol and carbon dioxide. By taking…

Words 500 - Pages 2

Essay on Lab Report 4

2O Cellular Respiration Lab Report Introduction Cellular respiration is the breaking down of food molecules and converting them into energy. Glucose is oxidized as long as there is the presence of oxygen and if not, fermentation will begin to take place. All organisms, including plants and animals, go through cellular respiration. This process creates energy for the body to exert in the form of ATP. This lab is to test if peas go through cellular respiration before germination. Hypotheses Part I:…

Words 1093 - Pages 5

Essay on higher biology unit one

ions across a plasma membrane against a concentration gradient (from low concentration to high concentration) Active transport works in the opposite direction to diffusion and therefore requires energy in the form of ATP (which is formed during respiration) Protein molecules in the membrane act as carrier molecules. Each protein has specific sites that attract and bind…

Words 4334 - Pages 18

Cellular Respiration Essay

Lecture 15: Cellular Respiration. Part1: Glycolysis and Fermentation I-‐Cellular Respiration CR A-‐Definitions CR: process by which organisms breakdown and extract energy from nutrients (carbs, glucose) produced by photosynthesizers. Slide 3 CR can take place in presence of Oxygen, aerobic respiration, or absence of Oxygen…

Words 1368 - Pages 6

Photosynthesis and Carbon Dioxide Essay

Photosynthesis & Cellular Respiration Research Paper All living things on earth are made up of small structures called cells. Photosynthesis and cellular respiration are two of the most important energy producing processes that occur in these miniature structures, to maintain. Photosynthesis is a chemical process that takes place in the presence of sunlight, in which plants make their food and build stores of energy. This event occurs in chlorophyll containing plant cells. Chlorophyll is a pigment…

Words 446 - Pages 2

Cell and Transport Cell Wall Essay

|Positive Test |Example of…? | |Starch |Iodine |Black |Potato, crackers, corn starch | |Lipids |Paper bag |Greasy spot |Oil, butter | |Monosaccharides |Benedicts |Yellow, red |Honey, juice…

Words 879 - Pages 4

Labs: Fish Anatomy and Post Lab Question Essay

organism being identified. Then the characteristic of a particular species will appropriately match the dichotomous Independent variable: Dependent Variable: Control variables: Control variable# 1 Control variable # 2 Control variable #3 Material: .lab paper .Pen and pencil .Specimen card and diagram Procedure: 1.Use the diagram of laboratory equipment on page 3 to separate the type of equipment into 2 group 2. Record the characteristic used to separate the group on the diagram handout. 3. Continue…

Words 2359 - Pages 10

Bacteria and Skin / Blood Clotting / Tears / Stomach Acid Essay

General Certificate of Secondary Education 2011 Science: Biology Paper 1 Foundation Tier [G0901] THURSDAY 19 MAY, AFTERNOON MARK SCHEME 6410.01 1 (a) Root absorb light/photosynthesis; reproduction/produce seeds; (b) Support; Transport water/food; [1] [1] [1] [1] [1] [2] [1] [1] [1] [1] [1] [1] [1] [1] [1] [2] [1] [1] AVAILABLE MARKS 5 2 (a) Grass, Earthworm, Fox; arrows; (b) Sun(light); Grass/blackberry; (c) Mole number would increase; 5 3 (a) A – Oviduct/fallopian…

Words 568 - Pages 3