HB
The Human Cell
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Pre Test!
1.  How many cells do we have in our bodies?
2.  How many specialized cells do we have in our bodies?
3.  What is the outermost part of a human cell?
4.  Where is the genetic information found within a cell?
5.  What molecule contains all of our genetic information?
6. What is an organelle?
7.  Name 5 organelles.
8.  What do cells sit around and do all day long?
9.  How long do cells live?
10. Groups of cells that perform a similar function are called
tissues. Name the 4 types of tissues found in the human body.
Levels of Organization:
Atoms, Compounds, Cells, Tissues, Organs, Organ systems, Organism
Chapter 3: The Cell
I.
Introductory Facts
A. 70,000,000,000,000
B. 200
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Neurons
Red blood cells, white blood cells, platelets
Cardiac muscle cells, Capillary, Purkinje Fibers
Skeletal Muscle Sarcomeres & Mitochondria
Chapter 3: The Cell
I.
Introductory Facts (continued)
C. Cell specialization
D.
Interdepencence
E.
Eukaryotic
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We Are Eukaryotic!
I.
Introductory Facts (continued)
E.
Heterotrophic
Draw & Label the parts of a human cell.
Cell membrane
Nucleus
Nucleolus
Nuclear membrane with pores
Chromatin
Cytoskeleton
Smooth Endoplasmic Reticulum
Rough Endoplasmic Reticulum
Ribosomes
Golgi Apparatus
Lysosomes
Mitochondria
Cilia
Flagella
Centrioles
Vacuoles
II.
Cellular Processes
A. Nutrition
II.
Cellular Processes (continued)
B.
Digestion
II.
Cellular Processes (continued)
C. Absorption
II.  Cellular Processes
D. Biosynthesis
(continued)
II.
Cellular Processes (continued)
E.
Cellular Respiration
II.
Cellular Processes (continued)
F.
Excretion
II.
Cellular Processes (continued)
G. Secretion
Mucus (brown) is secreted by mucous cells and whisked away by
cilia in respiratory tract. It traps dust, pathogens, etc. and keeps
them from entering respiratory system.
II.
Cellular Processes (cont.)
H. Response
Macrophage and Erythrocyte (RBC)
Macrophage destroying cancer cell!
II.
Cellular Processes (continued)
I.
Cellular Reproduction
Amoeba
Amoeba
Bacteria
Paramecia
Human Leucocytes
http://www.youtube.com/watch?v=rgLJrvoX_qo&NR=1
II.
Cellular Processes (continued)
I.
Cellular Reproduction
1. Mitosis
II.
Cellular Processes (continued)
I.
Cellular Reproduction
2.
Meiosis
Zygote
Two Cells
http://player.discoveryeducation.com/index.cfm?guidAssetId=cd4d9aa2-39a6-4450-bb56-6d40f694e617
Chick Embryo, 40 Days
III.
Cell Membrane
A.
Structure of Cell Membrane
1.
Lipid bilayer
2.
Proteins
3.
Sugars
III. Cell Membrane (continued)
B.
Function of Cell Membrane
1.
Separates cell from environment
2.
Regulates what enters and exits cell
3.
Supports organelles
http://www.youtube.com/watch?v=Q530H1WxtOw
IV.  Miscellaneous
A. Cytoskeleton
Microtubules (green), actin filaments (red), and the nucleus (blue)
V.
Organelles
V.
Organelles
A.
Nucleus
1.
Nuclear membrane/ pores
2.
Nucleolus
3.
DNA
a.
Chromatin
V.
Organelles
A. Nucleus (continued)
3. DNA
b. Chromosomes
V.
Organelles (continued)
B. Endoplasmic Reticulum
1. Rough ER
2. Smooth ER
V.
Organelles (continued)
C.
Ribosomes
V.
Organelles (continued)
D. Golgi Apparatus
V.Organelles (continued)
E. Vesicles
V.Organelles (continued)
F. Lysosomes
V.Organelles (continued)
G. Mitochondria
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V.Organelles (continued)
I. Centrioles
V. Organelles (continued)
I.
Centrioles
1.
Centrosome
Spindles
V.Organelles (continued)
J. Cilia
Nasopharynx epithelial cells with Cilia
3.
Sinus Mucousa
Auditory Ear Cells With Cilia
Auditory Ear Cells
4. Microtubules
5. Microvili
Mucus (brown) is secreted by mucous cells and whisked away by cilia in
respiratory tract. It traps dust, pathogens, etc. and keeps them from
entering respiratory system.
V.Organelles (continued)
K. Flagella
Sperm & Egg
V.
Organelles (continued)
L. Vacuole
Vacuole in Muscle Cell
VI.  Cytoplasm
A. Cytosol
1. Fluid
2. Inclusions
B. Organelles
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I. Introductory Facts (cont.)
F. 4 Types of Tissues
1.
Muscular
2.
Nervous
3.
Connective
4.
Epithelial
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Neuron cell body (purple) with numerous synapses (blue). Communication
from one neuron flows to another neuron across a synapse, the small gap
separating neurons. SEM X80,000.