Body Systems/Chemistry/Homeostasis Flashcards
What is the Organismal level?
The highest level where all systems function together in one body.
What are the 11 Organ Systems in the human body?
- Muscular
- Urinary
- Respiratory
- Digestive
- Endocrine
- Reproductive
- Skeletal
- Lymphatic
- Integumentary
- Nervous
- Circulatory
What is the Extracellular fluid made of?
The fluid outside the cell includes both intercellular fluid and plasma.
What are the 4 types of tissue?
- Epithelium
- Connective
- Muscle
- Nervous
All Organ Systems work together to maintain
__________.
All Organ Systems work together to maintain
Homeostasis.
What is the “Circular Pathway of Information Transfer”?
Receptor in body to CNS to effector in body.
Non-living atoms form Molecules and Compunds which make:
Carbohyderates
Lipids
Proteins
Nucleic Acids
What is Conductivity?
The ability to communicate effects from stimuli from one cell to another.
What is the basic ______ and _______
unit of life.
A cell is the basic structural and
functional unit of life.
The Positive Feedback Control ________ or __________ original condition.
The Positive Feedback Control intensifies or accelerates original condition.
- Moves condition farther away from normal
destabilizing; short duration
Examples: Uterine contractions, blood clotting, nerve impulses.
Homeostasis is monitored and regulated by:
- Nervous System (fast)
- Endocrine System (slow)
- Temperature, Pressure, Chemical Connections and pH
What type of structure is “Eukaryotic”?
A Eukaryotic structure is an organelle specialized as DNA.
What are the 5 parts to the Reflex Feedback Loop>
- Receptors - detect stimuli
- Sensory Pathway - Neurons
- Integration (CNS) - brain
- Motor Pathway - transmits impulses to effectors
- Effectors- carry our response.
What is Homeostasis?
Maintenance of stable conditions in the internal environment of the body.
What is an Organelle?
- located in cytoplasm.
- structures in cells that carry out specific cellular functions.
What is plasma?
Fluid in the blood.
What is Homeostasis?
maintains values/amounts around normal value (or range of values).
What is “Excitability”?
The body’s systems ability for receptors to receive responds to stimuli.
What is Tissue?
Groups of cells performing a related function.
What is the Negative Feedback Loop using Glucose and Insulin
- Average Blood Glucose (95/mg glucose/100ml blood)
- Pancreases produces insulin
- Insulin - decreases BGL when too high; just eaten
- Liver removes glucose from blood - decreases GBL
- Liver stores glucogen until needed
- Liver breaks glucogen down into Glucose
- Liver releases Glucose into blood
What are the 6 levels of Biological Organization:
- Chemical
- Cell
- Tissue
- Organ
- Organ System
- Individual (Organism)
What is the simplest lifeform at the chemical level?
The Atom
How are compounds different?
They have 2 or more different atoms.
(combination of elements)
What tissue connects receptors to the (CNS) Central Nervous System?
Nerve Tissue.
What is located in the Intracellular fluid compartment?
Cytoplasm - fluid inside the cells
What is “Responsiveness”?
The ability to respond to changes in environment.
What is “Contractility”?
The ability to contract (shorten) for movement. Muscles move the body or substances through the body.
Only non-living level atoms form ______
and ______.
Only non-living atoms form molecules
and compounds.
What are the building blocks of the atom?
Proton
Neutron
Electron
What is Differentiation?
How cells become specialized for a particular function.
What is Intercellular Fluid?
The fluid surrounding the cells in tissue.
What is an Organ System?
11 interdependent/interconnected systems that carry out particular functions.
What characterizes the body’s internal
fluid environment?
Fluid surrounding cells of tissue in the body.
- Fluid forms from blood plasma and cells.
- Fluid contains dissolved substances.
What is an organ?
Composed of 2 or more tissues (usually all 4); organs carry out a specific function.
What is the Negative Feedback Loop?
- Most common pathway
- reverses direction of the original condition
- maintains long term stability
- Increases/decreases rate-returns condition to normal
What are the 2 fluid compartments of the body?
Intracellular
& Extracellular
A cell is the ___________
living structure.
A cell is the smallest
living structure.
How are molecules different from atoms?
They have 2 or more of the same atom.
(same element)
What are examples of Negative Feedback Loop?
- Body Temperature
- Heart Rate
- Blood Pressure
- Blood Glucose Level (Av. 95mg/100ml)
