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Exam (elaborations)

BIO 201 Exam 1 Review Questions and Correct Answers

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  • Course
  • BIO 201
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  • BIO 201

Epithelial tissue protection, absorption, filtration, excretion, secretion, sensory reception Eg. Stomach lining and skin *innervated and avascular Muscle tissue excitable, contractile tissue for movement Nervous tissue excitable tissue used to send short term signals throughout the body -functio...

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  • September 13, 2024
  • 9
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • BIO 201
  • BIO 201
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twishfrancis
BIO 201 Exam 1 Review Questions and
Correct Answers
Epithelial tissue ✅protection, absorption, filtration, excretion, secretion, sensory
reception
Eg. Stomach lining and skin
*innervated and avascular

Muscle tissue ✅excitable, contractile tissue for movement

Nervous tissue ✅excitable tissue used to send short term signals throughout the body
-function is to control and communicate
Eg. Positive and negative feedback

Connective tissue ✅-living cells in a non-living matrix
-function is to support
Eg. Under every epithelium

Structural elements of connective tissue ✅1. Ground substance
2. Fibers
3. Cells

3 fibers of connective tissue ✅1. Collagen
2. Elastic
3. Reticular

4 types of connective tissue ✅1. Connective tissue proper
2. Cartilage
3. Bone
4. Blood

3 types of cartilage ✅1. Hyaline
2. Elastic
3. Fibrocartilage

Necessary life functions ✅1. Maintaining boundaries
2. Movement
3. Responsiveness
4. Digestion
5. Metabolism
6. Disposal of wastes/excretion
7. Reproduction

, 8. Growth

Maintaining boundaries ✅separation between internal and external environments

Movement ✅-contractility
-happens at both gross and cellular/chemical levels
-of body parts (skeletal muscle)
-of substances (cardiac and smooth muscle)

Responsiveness ✅-ability to sense and respond to stimuli
-stimulus=change in the environment
-e.g. Your body gets hot, you need to cool down, withdrawal reflex
-irritability=an organism responding to a change in their environment
-adaptability=the potential an organism has to make this change

Digestion ✅-absorption of simple molecules into the blood
-take up nutrients to produce energy and keep life systems going

Metabolism ✅-all chemical reactions that occur in body cells
-encompasses both anabolism and catabolism

Disposal of wastes ✅-removal of wastes from metabolism and digestion
-e.g. Urea, co2, feces

Reproduction ✅-producing offspring to carry on life
-cellular division for growth or repair

Growth ✅increase in size of a body part or of organism
-e.g. Egg+sperm=zygote which divides to form human organism

Microscopic anatomy ✅e.g. Cytology and histology
-need a microscope/cannot see with naked eye

The cell ✅smallest living units of anything
--ecf, cytoplasm, cell membrane, cytoskeleton

Levels of organization (backwards) ✅organism, organ system, organ, tissue, cell,
(molecule/atom/organelle)

E.g human, cardiovascular system, heart, muscle tissue, muscle cell, water/protein

Survival needs ✅1. Nutrients
2. Oxygen (to make atp!)
3. Water (environment of chem reactions)
4. Normal body temperature (37 c)

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