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Global climate zones Id: an idealized simple view
Global climate zones Id: an idealized simple view

... Atmospheric circulation is driven by rising of warm air at the equator (at the latitude of maximal solar heating) and by sinking of cold air at the poles (at the latitude of minimal heating). On Earth, the air that has risen from the equator sinks at about 30° N and S, and some of that air returns a ...
Biological Sciences
Biological Sciences

... Characteristics of All Cells  A surrounding membrane  Protoplasm – cell contents in thick fluid  Organelles – structures for cell function ...
Final Exam Part B 2014 Pittman
Final Exam Part B 2014 Pittman

... 12. The chemical digestion of food begins in this structure, which breaks down food and mixes it with gastric juices to form a pasty fluid using muscle contractions. a. stomach b. esophagus c. mouth d. small intestine 13. The correct order of food passage through the digestive system is a. small int ...
The Body Book
The Body Book

... and thinking. The body accomplishes these tasks thanks to living organs and tissues as well as nonliving parts, such as water, vitamins, and minerals. An organ is a group of tissues that perform a specific function. For example, the heart pumps blood. In turn, tissues are groups of similar specializ ...
Cell Structure Gizmo (gizmo_cell_structure1)
Cell Structure Gizmo (gizmo_cell_structure1)

... ____ Cytoplasm ____ Lysosome ____ Mitochondria ____ Endoplasmic reticulum ____ Vacuole ____ cell (plasma) membrane ____ Nucleus ____ Ribosome ____ Golgi apparatus (body) A. May contain food, water, or waste B. Surrounds and protects the cell and lets some things go through it. C. Sac where wastes ar ...
MITOSIS
MITOSIS

... During interphase, chromosomes are present in a different network of chromatin that is not visible under the light microscope as an individual i.e. DNA-protein complexes called chromatin are dispersed throughout the nucleoplasm. The events during mitosis that follow unfolding are conventionally divi ...
Principles of Homeostasis Maintaining Homeostasis
Principles of Homeostasis Maintaining Homeostasis

... interpretation of the message by the brain or It may be a reflex (an automatic response to a stimulus involving only 2 or 3 neurons), e.g. pain withdrawal. 3 Maintaining water and ion balance by: Water and ions are taken in with food and drink„ helping to replace that lost through urine, faeces and ...
Twizzler Mitosis
Twizzler Mitosis

... metaphase, anaphase, and telophase. ...
TG02 Fungal Cells
TG02 Fungal Cells

... species look different, all living things are fundamentally similar inside. A cell is a small, membrane-enclosed unit filled with a concentrated aqueous solution of chemicals. Cells have the ability to produce identical copies of themselves by growing and dividing in a process called mitosis. The si ...
General comparisons between prokaryotic cells and eukaryotic cells:
General comparisons between prokaryotic cells and eukaryotic cells:

... ribosomes, and enzymes. ...
Human Body Systems - Mr. Smith’s Science Page
Human Body Systems - Mr. Smith’s Science Page

... blood away from the heart Have thick, elastic walls made of tissue and smooth muscle ...
Chapter Outline
Chapter Outline

... area for absorption, and numerous mitochondria, which supply the energy needed for active transport. d. Only molecules with carrier molecules for them are reabsorbed. e. If there is more glucose, for example, than carriers, excess glucose will appear in the urine. f. In diabetes mellitus, there is t ...
PART - Humble ISD
PART - Humble ISD

... Allergies: inflammatory response caused by an over-reaction of the immune system to antigens. Asthma: severe allergic response which cause air passages to become more narrow than normal. Autoimmune - the immune system mistakes its own body’s cells as foreign and attacks them. Two examples are Multip ...
1 - Sikkim NIC
1 - Sikkim NIC

... 3. Which of the following relationships between cell-structure and their respective function is not correct? A. B. C. D. ...
Discovery Lab - Summit Hill Elementary PTO
Discovery Lab - Summit Hill Elementary PTO

... cleaners. The pipe cleaner represents the nerve column. The hard candies represent the bones or vertebrae, and the soft candies represent the discs in between. Give each student 1 pipe cleaner, 5 hard ring candies, and 4 soft ring candies. 1. Have students bend the pipe cleaner in half and make a “k ...
ScienceLessonPlanDay1
ScienceLessonPlanDay1

... 2. Give students the following topics to write about: a. Name 1-2 things I learned during todays class b. Name anything you did not understand, or need extra help with c. Name one thing you want to learn more about during this unit Student Assessment: Students will have a completed worksheet of org ...
Bacterial Form and Function
Bacterial Form and Function

... Bacterial Appendages: • Pili (pl), pilus (s) – Only found in gram negative bacteria – hollow, hairlike structures of protein larger and more sparse than fimbriae. – allow bacteria to attach to other cells. – sex pilus, - transfer from one bacterial cell to another- conjugation. ...
biology 103 final exam review sheet
biology 103 final exam review sheet

... 25. Differences between plant and animal cells 26. Structure and functions of cell membranes 27. Types of proteins in cell membranes 28. Define the following types of passive movement a. Brownian movement b. Diffusion c. Osmosis (hypertonic, hypotonic, isotonic) d. Facilitated diffusion 29. Define a ...
Practice Questions and Answers
Practice Questions and Answers

... different and similar. The endocrine and nervous systems are very similar because they both regulate the conditions of the body. The nervous system regulates the body using electrical impulses through specialized cells called NEURONS. Some examples of activities regulated by the nervous system are m ...
Revision 1 Q1. Which of the following statements is true? A. A cell is
Revision 1 Q1. Which of the following statements is true? A. A cell is

... C. Plant cells and animal cells only differ in terms of cell wall. D. A unicellular organism does not need a nucleus to function. Plants and animals are examples of multicellular organisms. They contain millions of cells in their body. Q2. Which of the following characteristics is true for cell wall ...
Unit Test Review
Unit Test Review

... Excitable cells~ cells that can change membrane potentials (neurons, muscle) Resting potential~ the unexcited state of excitable cells Gated ion channels (open/close response to stimuli): photoreceptors; vibrations in air (sound receptors); chemical (neurotransmitters) & voltage (membrane potential ...
Circulatory System - Bingham-5th-2012
Circulatory System - Bingham-5th-2012

... we breathe in our lungs take in oxygen. The oxygen passes in our blood into our blood vessels in the lungs. ...
Biology Questions p
Biology Questions p

... b) Golgi Apparatus—Creates transport vesicles which then fuse with cell membrane during exocytosis. c) Cell Membrane—controls the movement of materials into and out of the cell. d) Golgi Apparatus—Creates transport vesicles which then fuse with cell membrane during exocytosis. 19) The water containe ...
Histology - epithelial tissue - Mrs.Simmons Anatomy & Physiology I
Histology - epithelial tissue - Mrs.Simmons Anatomy & Physiology I

... • Histology: The study of tissues • Tissue: A collection of cells that perform related functions, and are similar in structure • 4 Major types of tissues: – Epithelial – Connective – Muscular – Nervous ...
Organelles1
Organelles1

... Mitochondria ...
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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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