INTERESTING FACTS ABOUT YOUR Body -Scientists say the

INTERESTING FACTS ABOUT YOUR Body -Scientists say the

INTERESTING FACTS ABOUT YOUR Body -Scientists say the higher your I.Q. The more you dream. -The largest cell in the human body is the female egg and the smallest is the male sperm. -You use 200 muscles to take one step. -The average woman is 5 inches shorter than the average man. -Your big toes have two bones each while the rest have three. -A pair of human feet contains 250,000 sweat glands.

-A full bladder is roughly the size of a soft ball. -The acid in your stomach is strong enough to dissolve razor blades. -The human brain cell can hold 5 times as much information as the Encyc. Britannica. -It takes the food seven seconds to get from your mouth to your stomach. -The average human dream lasts 2-3 seconds. -At the moment of conception, you spent about half an hour as a single cell. -There are about one trillion bacteria on each of your feet.

-Your body gives off enough heat in 30 minutes to bring half a gallon of water to a boil. -The enamel in your teeth is the hardest substance in your body. -Your teeth start growing 6 months before you are born -When you are looking at someone you love, your pupils dilate, and they do the same when you are looking at someone you hate. -Your thumb is the same length of your nose. https://youtu.be/gFuEo2ccTPA?list=PLhWQfyIjGDq40wpDLJBsLcNcykz8h7FZf

CHAPTER 3 CELL STRUCTURE You are a metropolis of 50 trillion citizens. Each of the cells in your body can be considered a sentient being in its own right. They all act together as a community, performing an ongoing act of prodigious collaboration.

Dr. Bruce Lipton Biologist Section Outline Section 7-1 CHAPTER 3: CELL STRUCTURE

Section 1. Looking at Cells Section 2. Cell Features Section 3. Cell Organelles Go to Section:

PERIMICIUM TIGER LILLY LOVE POLLEN Largest cell= 8 cm Average cell= 0.002 cm Unaided eye can see = 0.01 cm

STREPTOCOCCUS CELL = THE BASIC UNIT OF LIFE

Anton Von LEEUWENHOEK Early 1600s Discovered living cells Simple Microscope Blood cells and

Bacteria from teeth ROBERT HOOKE 1665 Termed the word Cell -Hollow boxes

-Monks Cells CORK CELLS Two Lenses (Compound) Light Source (Light)

COMPOUND LIGHT MICROSCOPE -Series of lenses -Light passes through the object

COMPOUND LIGHT MICROSCOPE Technology Cell Part: 400x 0.00002 cm

ELECTRON MICROSCOPE 1940s 1 million x CELL THEORY

1. ALL ORGANISMS ARE COMPOSED OF ONE OR MORE CELLS. THE CELL IS THE BASIC UNIT OF ORGANIZATION OF ORGANISMS. 3. ALL CELLS COME FROM PREEXISTING CELLS

WO BASIC CELL TYPES PROKARYOTIC EUKARYOTIC Prokaryote Common:

1. Cell Membrane 2. DNA Eukaryote PROKARYOTIC CELLS No True Nucleus

Bacteria Organism is a single cell (unicellular)

= a cell that lacks internal structures surrounded by membranes Cyanobacteria E. COLI

Cocci LYME (TICK) EUKARYOTIC CELLS True Nucleus

= cells containing internal, membrane bound structures Some are made of single cells Most are made

of multiple cells (multicellular) Advantages? Muscle Cells Skin Cells

Specialized Blood Cells Brain Cells

EUKARYOTIC CELL STRUCTURE Organelles = internal membrane bound structures within a cell Plant Cell

Animal Cell BOUNDARIES CELL or PLASMA MEMBRANE CELL WALL Cell/Plasma Membrane =

ALL Cells boundary between the cell and its external environment Flexible Controls?

movement of material in/out= Cell Wall= boundary outside of PM Found?

Bacteria Protists Fungi Plant Cells Inflexible

ORGANIZATION Cytoplasm 50% + volume of cell Thicker than toothpaste Cytoskeleton

Support structure in the cytoplasm CELL CONTROL NUCLEUS manages cell functions (brain)

DNA Genetics Nucleolus = Produces ribosomes

Nuclear Envelope with pores ASSEMBLY and TRANSPORTATION

ENDOPLASMIC RETICULUM RIBOSOME LYSOSOME GOLGI APPARATUS

Endoplasmic Reticulum = large surface area for chemical reactions Folded? + surface area

Types? Rough ER = Have Ribosomes

Smooth ER = Lack Ribosomes Ribosomes = protein synthesis

Golgi Apparatus = distribute proteins to other organelles (conveyer belt). Lysosome

= digest excess or worn out parts, food, or invaders Fuses with the respective organelle and releases enzymes

STORAGE -VACUOLES Temp storage of materials (Stomach)

Plants have a very large vacuole Turgor Pressure Smaller in Animal Flaccid

Plasmolyzed ENERGY TRANSFORMERS MITOCHONDRIA CHLOROPLAST

MITOCHONDRIA THE POWER HOUSE Break down food molecules to release energy CHLOROPLAST

Transform light energy into usable energy (sugar) GREEN Chlorophyll = green pigment that traps energy from the Sun

LOCOMOTION CILIA Small hairs CILIA

AND FLAGELLA FLAGELLA Whip-like Tail

PLANT VS. ANIMAL Plant Has (Animal Doesnt): - Cell Wall - One Large Vacuole - Chloroplast

CELLULAR ORGANIZATION CELLS (with the same function) TISSUES ORGANS SYSTEMS

YOU CHAPTER 3: CELL STRUCTURE -Our Microscope -Define Cell -Types of Microscopes -Leeuwenhoek

-Hooke -Schleiden/Schwann -Virchow -The Cell Theory -Prokaryote vs. Eukaryote -Difference Plant/Animal Cell

-Cellular Organization CellsTissuesOrgans etc. -Organelles (name/function): Plasma Membrane Cell Wall Nucleus (parts)

Cytoplasm Endoplasmic Reticulum (both) Golgi Apparatus Vacuole Lysosome Mitochondria Chloroplast

Cytoskeleton Cilia and Flagella CHAPTER 3 QUIZ #1 1. What does the Cell Theory state? 2. Compare and contrast Prokaryotic and Eukaryotic cells.

3. Five scientists made major contributions to the Cell Theory. In chronological order, list their names and their contributions. 4. Define the word organelle and list 3 organelles inside a cell. What type of microscope do you use in lab? List 2 other types of microscopes and describe how they function.

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