Cell Theroy Flashcards
What does the cell theory state
- Living organisms are composed of cells
- The cell is the smallest unit of independent life (basic unit of life )
- Cells can only arise from pre-existing cells (don’t come from nowhere)
Lists the functions of life (7 life processes)
- M etabolism
- R eproduction
- S ensitivity
- H omeostasis
- E xcretion
- N utrition
- G rowth
What is the organisation of life
Cells -Tissues-Organs -Organ Systems -Organism
C ome- T o -O ur -O ld -O usie
Who were the main composers of the cell theory
1838-Matthias Schleiden-all all plant parts are made of cells
1839-Theodore Swann -wrote the first part of the cell theory (Took past info and made a theory )
-All organisms are composed of one or more cells
-The cell is the basic unit of life in all living things
1858-Rudolf Virchow - wrote the third part of the cell theory
-All cells come from existing cells
Who was the first cytologist
Robert Hooke identified the first cells in 1665
What are the 11 main organ systems
- Integumentary system
- Skeletal system
- Muscular system
- Nervous system
- Endocrine system
- Cardiovascular system
- Lymphatic system
- Respiratory system
- Digestive system
- Urinary system
- Reproductive system
Info..
Go over work in the book that has not been asked in these questions
What are stem cells
Stem cells are cells that’s not fully developed yet but have the ability to specialise into almost any type of cell in the human body
What is stem cell research
Stem cell research refers to the collecting of stem cells as they can be investigated to see if they can cure diseases
Where can stem cells be taken from
Adult blood ,fat tissue and adipose
Umbilical stem cells -from umbilical cord
Embryonic stem cells -form embryos
What are people against embryonic stem cell research
Because the best source of stem cells is from the human embryos and in order to harvest the same cells the embryos are destroyed this practice is considered to be ethically and morally wrong by many people and they feel like a human life has been destroyed when stems are they harvested from embryos
Are leafs of a plant tissue or organs
Organs
What are the complex body systems of the body
Digestive Endocrine Nervous Integumentary Musculoskeletal
Respiratory Reproductive Immune system Excretory Cardiovascular
The cytoplasm and the nucleus together form what
A protoplasm
Cytoplasm is what colour
Colourless
