©BRAINBARTER EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
BIOL121- Sem 1 OT Exam Study Guide.
Levels of Organisation - answer✔- Atoms in combination
- Complex protein molecule
- Protein filaments (chem and molecular level)
- Cellular level
- tissue
- Organ level
- Organ system level
- Organism level
Atoms - answer✔- Building blocks of all matter
- Protons (pos), Neutrons (neutral), Electrons (neg)
- Lose or gain elec to become ions and stable
Molecules - answer✔Group of atoms working together
Elements - answer✔- Symbol
1|Page
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- ions and electrolytes
- Substance made up of atoms with same number of protons
- Simplest substance known
- Mental or non-metal
Macromolecules - answer✔- Proteins
- Carbohydrates
- Lipids/fats
- Nucleic acid
Macromolecule function - answer✔- structure
- storage
- messengers
- control
Cellular level - answer✔- group of atoms, molecules and organelles working together
- basic unit of life
Tissue level - answer✔- group of similar cells working together
- 4 types:
1. Epithelial tissue
2|Page
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ALL RIGHTS RESERVED.
2. Connective tissue
3. Muscle tissue
4. Neural/ nervous tissue
Organ level - answer✔- A group of different tissues working together
- Multi-tasking and specialists
Organ system level - answer✔- A group of organs working together
- Humans have 11 organ systems
Organ system function - answer✔- Control/direct
- Cool and warm
- Digest
- Move
- Protect
- Remove
- Reproduce
- Store
- Support
- Transport
3|Page
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ALL RIGHTS RESERVED.
Organism Level - answer✔- Living being
Body cavities - answer✔- Where organ are suspended
- Bones, muscles ect.
- 2 main cavities: Abdominal cavity and Thoracic cavity separated by diaphragm
- Closed sacks with fluid inside
- Different/ change size and shapes to allow organs to function
- Allow organs to expand and contract without disturbing other organs
Anatomy - answer✔- Structure
- means- cutting open
- "what does it look like?"
Physiology - answer✔- Function
- study of how the body works
- "what does it do?"
Histology - answer✔- Study of biological cells and tissues
Anatomical Postion - answer✔· Standing erect head level and eyes facing forward, hands at side
and palms forward legs parallel, feet flat on floor
4|Page
ALL RIGHTS RESERVED.
BIOL121- Sem 1 OT Exam Study Guide.
Levels of Organisation - answer✔- Atoms in combination
- Complex protein molecule
- Protein filaments (chem and molecular level)
- Cellular level
- tissue
- Organ level
- Organ system level
- Organism level
Atoms - answer✔- Building blocks of all matter
- Protons (pos), Neutrons (neutral), Electrons (neg)
- Lose or gain elec to become ions and stable
Molecules - answer✔Group of atoms working together
Elements - answer✔- Symbol
1|Page
, ©BRAINBARTER EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
- ions and electrolytes
- Substance made up of atoms with same number of protons
- Simplest substance known
- Mental or non-metal
Macromolecules - answer✔- Proteins
- Carbohydrates
- Lipids/fats
- Nucleic acid
Macromolecule function - answer✔- structure
- storage
- messengers
- control
Cellular level - answer✔- group of atoms, molecules and organelles working together
- basic unit of life
Tissue level - answer✔- group of similar cells working together
- 4 types:
1. Epithelial tissue
2|Page
, ©BRAINBARTER EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
2. Connective tissue
3. Muscle tissue
4. Neural/ nervous tissue
Organ level - answer✔- A group of different tissues working together
- Multi-tasking and specialists
Organ system level - answer✔- A group of organs working together
- Humans have 11 organ systems
Organ system function - answer✔- Control/direct
- Cool and warm
- Digest
- Move
- Protect
- Remove
- Reproduce
- Store
- Support
- Transport
3|Page
, ©BRAINBARTER EXAM SOLUTIONS 2024/2025
ALL RIGHTS RESERVED.
Organism Level - answer✔- Living being
Body cavities - answer✔- Where organ are suspended
- Bones, muscles ect.
- 2 main cavities: Abdominal cavity and Thoracic cavity separated by diaphragm
- Closed sacks with fluid inside
- Different/ change size and shapes to allow organs to function
- Allow organs to expand and contract without disturbing other organs
Anatomy - answer✔- Structure
- means- cutting open
- "what does it look like?"
Physiology - answer✔- Function
- study of how the body works
- "what does it do?"
Histology - answer✔- Study of biological cells and tissues
Anatomical Postion - answer✔· Standing erect head level and eyes facing forward, hands at side
and palms forward legs parallel, feet flat on floor
4|Page
