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THE CIRCULATORY SYSTEM DEFINITION/DESCRIPTION This is
THE CIRCULATORY SYSTEM DEFINITION/DESCRIPTION This is

... The cardiac wall is composed of: 1.Tunica intima (Endocardium): This is lined by squamous cell and contains blood vessels, nerve fibres and conducting tissue in its connective tissue 2. Tunica Media (Myocardium): This is composed of several layers of cardiac muscle fibres (Striated muscle). 3. Tunic ...
Nervous System: General Principles
Nervous System: General Principles

... • Anterograde degeneration with some retrograde; phagocytic cells (from Schwann cells, microglia or monocytes) remove fragments of axon and myelin sheath • Cell body swells, nucleus moves ...
Coppola42 - MsLsAPbiology4everyone
Coppola42 - MsLsAPbiology4everyone

...  Four valves (2 in ventricles, 2 in atria) keep blood from flowing backwards.  The sinoatrial node (pacemaker) is in the right atrium and coordinates the muscle contractions of a heartbeat (with help of intercalated discs in cardiac muscle tissue). ...
Unit Four - Mr. Distasio`s Wiki
Unit Four - Mr. Distasio`s Wiki

...  The "____________________________" of the cell: Site of cellular respiration and the production of ______. ATP is the molecule that most cells use as their main ____________ currency.  Mitochondria is surrounded by TWO Membranes  The inner membrane has many folds, known as ______________. The cr ...
Chapter 12: Nervous Tissue - WKC Anatomy and Physiology
Chapter 12: Nervous Tissue - WKC Anatomy and Physiology

... 1. the inactivation gate is open. 2. the activation gate is closed. 3. the channel is permeable to Na+. a) b) c) d) e) ...
BIOLOGY 30 Nov 2015
BIOLOGY 30 Nov 2015

... •  Looked at nonliving cork through early microscope. •  Observed tiny empty chambers. •  Called the chambers “cells”. Anton van Leeuwenhoek •  Looked at living organisms in the human mouth. •  Today they are called “bacteria”. ...
Ch 3 Muscle and Nervous Tissue pgs. 97-100
Ch 3 Muscle and Nervous Tissue pgs. 97-100

... Characteristics of cardiac muscle cells ◦ Striations ◦ One nucleus, short, branching cells  Look somewhat like bamboo ...
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cell project

... definitions of all 6 terms and includes the similarities and differences of each pair of terms. ...
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1 - Port Fest Baltimore

... Examine the following diagram of the cell membrane: 8. The tendency of organisms to maintain a stable internal environment is called A. Cellular Organization B. Homeostasis C. Active Transport D. Metabolism 3. What kind of a molecule is Structure A? A. Homogenate B. Phospholipid C. Protein D. Organe ...
Activity: Observing Onion Cells
Activity: Observing Onion Cells

... Background Information: All living things are made up of small units called cells. That is, cells are the basic building blocks of living things just as atoms are the basic building blocks of matter. Each cell contains living material surrounded by a border, or barrier that separates the cell from i ...
Biology I Lab Activity – Simulating Mitosis with
Biology I Lab Activity – Simulating Mitosis with

... Telophase is the final stage of mitosis. During telophase, chromosomes- reach the opposite ends of the parent cell. The chromosomes begin de-condensing back into chromatin, the spindle breaks apart, and the nuclear membrane and nucleolus reappear. To model telophase, place each chromosome at opposit ...
2015 department of medicine research day
2015 department of medicine research day

... Relevance: Ventricular fibrillation (VF) is a life-threatening condition, in which the ventricular myocardium activates chaotically resulting in the inability to pump blood to the rest of the body. VF can be triggered by external (e.g., an electric stimulus due to a blow to the chest) or internal fa ...
Cells and genetics - Natural History Museum
Cells and genetics - Natural History Museum

... Sex cells have 23 chromosomes. All other cells have 46 chromosomes Key points from the Making humans display The ovum and sperm cell each have a nucleus containing half the DNA from the female and male who produced them. A woman produces one ovum every month, a man produces millions of sperm. A sper ...
Anatomy Test - Cobra Invitational ANSWERS
Anatomy Test - Cobra Invitational ANSWERS

... B) increased activity of phagocytes in an inflamed area C) reduced permeability of blood vessels to conserve plasma D) release of substances to decrease the blood supply to an inflamed 2. Which ventral cavity subdivision has no bony protection: A) spinal B) pelvic C) abdominal D) cranial ...
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BJC Health Science Multiple Choice Questions

... 32. Which part of the human circulatory system supplies nutrients and oxygen to cardiac muscle tissue? A. B. C. D. ...
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Bacterial response to environment

... Amount of nutrients in general Presence of specific nutrients Population size ...
Review [Life] - Mahopac Voyagers!
Review [Life] - Mahopac Voyagers!

... D) chromosomes B) 11. Which is a true statement about normal mitotic cell division? A) Each daughter cell produced has only onefourth the number of chromosomes of the parent cell. ...
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Sodium-Potassium pumps

... two other sides of the membrane are interdependent, suggesting that the same carrier protein transports both ions. (green channel protein, red ATP-ase) ...
Cell Travel Brochure 2
Cell Travel Brochure 2

... 5. You must use correct spelling and grammar throughout the project. An exception might be if you alter the name of a cell part slightly for creative purposes. Example: Lysoman = Lysosome. 6. The front cover of the brochure should include the name of your cell and a graphic of your choice. It should ...
Dr Colin Watts, Cambridge University
Dr Colin Watts, Cambridge University

... middle aged men • Astrocytic tumours are the fourth leading cause of death among women aged 15-34 ...
Which organelle breaks down organelles that are no longer useful?
Which organelle breaks down organelles that are no longer useful?

... They were first discovered in the 1600s They are much like empty rooms They can be found in pond water They contain a huge array of working parts ...
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Slide 1

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Test Review Sheet: Biology Final – 09 The Answer are under each
Test Review Sheet: Biology Final – 09 The Answer are under each

... To genetically engineer organism such as making insulin 35. How is the particular gene that is needed for research isolated from the rest of the DNA? Restriction enzymes cut the DNA at certain places 36. What is the DNA from two different sources? Recombinant DNA 37. What are some reasons for genet ...
Chapter 17 Cell Processes study guide
Chapter 17 Cell Processes study guide

... 1. Carbohydrates—supply energy for cell processes 2. Lipids—store and release large amounts of energy 3. Proteins—are the building blocks of many structures a. Amino acids—smaller molecules that make up proteins b. Enzymes—proteins that regulate nearly all chemical reactions in cells 4. Nucleic acid ...
C10 Vocabulary and Learning Target Packet
C10 Vocabulary and Learning Target Packet

... Ex. lung – spongy air sacs ...
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Organ-on-a-chip

An organ-on-a-chip (OC) is a multi-channel 3-D microfluidic cell culture chip that simulates the activities, mechanics and physiological response of entire organs and organ systems. It constitutes the subject matter of significant biomedical engineering research, more precisely in bio-MEMS. The convergence of labs-on-chips (LOCs) and cell biology has permitted the study of human physiology in an organ-specific context, introducing a novel model of in vitro multicellular human organisms. One day, they will perhaps abolish the need for animals in drug development and toxin testing.Although multiple publications claim to have translated organ functions onto this interface, the movement towards this microfluidic application is still in its infancy. Organs-on-chips will vary in design and approach between different researchers. As such, validation and optimization of these systems will likely be a long process. Organs that have been simulated by microfluidic devices include the heart, the lung, kidney, artery, bone, cartilage, skin and more.Nevertheless, building valid artificial organs requires not only a precise cellular manipulation, but a detailed understanding of the human body’s fundamental intricate response to any event. A common concern with organs-on-chips lies in the isolation of organs during testing. ""If you don’t use as close to the total physiological system that you can, you’re likely to run into troubles"" says William Haseltine, founder of Rockville, Maryland. Microfabrication, microelectronics and microfluidics offer the prospect of modeling sophisticated in vitro physiological responses under accurately simulated conditions.
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