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Cell-Tissue-Organ-System
• Cells in multicelullar organisms are grouped
together to form more complex structures.
– Tissue...
Specialized cells
• Cells divide by cellular division in a multicellular organism.
One daughter cell specializes and the o...
Highly specialized cell: sperm cell
How do the characteristics
of this cell help it do its
function?
ACTIVITY
Tissues
• Tissues perform specific functions because their cells are
specialized to carry out certain processes.
Different...
Movement: muscle tissue
 Muscle tissue
 Skeletal : muscles
 Cardiac: heart
 Smooth: Involuntary
contractions (stomach)
Striated muscular tissue
Skeletal
• Voluntary contractions
• Makes up the muscles that
together with the bone produces
mov...
Heart
• Involuntary contractions
• Makes up the muscle of the
heart walls.
Striated muscular tissue
Smooth muscle tissue
• Involuntary contractions
• Makes up the wall of many
organs.
Communication: nerve tissue
• Coordinates the function of all the organs
• The specialized cell is a neuron.
Connection: Connective tissues
Loose connective tissue: It’s
the fill-in tissue. It takes up
the spaces between organs
and...
Adipose tissue: accumulates fat in the cells and
contains a small amount of fibers.
Cartilage tissue: main component of em...
Protection: Epithelial tissue
• Covers and protects our body as well as our internal
cavities.
Tissues make Organs
Organs make Systems
Systems
The different systems are responsible for carrying out the 3 vital functions of living
organisms.
NUTRITION REPROD...
Lesson 3 organization of the human body
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Lesson 3 organization of the human body

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Transcript of "Lesson 3 organization of the human body"

  1. 1. Cell-Tissue-Organ-System • Cells in multicelullar organisms are grouped together to form more complex structures. – Tissue: a set of the same type of cells from the same origin. – Organ: a set of tissues that come together to perfom a specific function – System: a set of organs, each formed by different tissues, which take part in one or various functions.
  2. 2. Specialized cells • Cells divide by cellular division in a multicellular organism. One daughter cell specializes and the other maintains the capability of dividing, assuring cellular renovation and the growth of the organism. Most specialized cells lose the ability of dividing. • It does a specific job • It develops a special shape • Changes take place in its cytoplasm. E.i. muscle cells (mitochondria) Specialized cell
  3. 3. Highly specialized cell: sperm cell How do the characteristics of this cell help it do its function? ACTIVITY
  4. 4. Tissues • Tissues perform specific functions because their cells are specialized to carry out certain processes. Different tissues for different functions Movement Communication Protection Secretion Connection Support Reserves
  5. 5. Movement: muscle tissue  Muscle tissue  Skeletal : muscles  Cardiac: heart  Smooth: Involuntary contractions (stomach)
  6. 6. Striated muscular tissue Skeletal • Voluntary contractions • Makes up the muscles that together with the bone produces movement.
  7. 7. Heart • Involuntary contractions • Makes up the muscle of the heart walls. Striated muscular tissue
  8. 8. Smooth muscle tissue • Involuntary contractions • Makes up the wall of many organs.
  9. 9. Communication: nerve tissue • Coordinates the function of all the organs • The specialized cell is a neuron.
  10. 10. Connection: Connective tissues Loose connective tissue: It’s the fill-in tissue. It takes up the spaces between organs and other tissues. Bone tissue: basic component of adult bones. It is the strongest type of connective tissue because it contains a mineral called calcium
  11. 11. Adipose tissue: accumulates fat in the cells and contains a small amount of fibers. Cartilage tissue: main component of embryonic skeleton. In adults there is cartilage in joints, the traquea, the nose and ears and between discs in the spinal column. Connection: Connective tissues
  12. 12. Protection: Epithelial tissue • Covers and protects our body as well as our internal cavities.
  13. 13. Tissues make Organs
  14. 14. Organs make Systems
  15. 15. Systems The different systems are responsible for carrying out the 3 vital functions of living organisms. NUTRITION REPRODUCTION REACTION Digestive System Respiratory System Circulatory System Excretory System Reproductive System Sensory Organs Nervous System Endocrine System Muscular and Skeletal
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