EXAM 1 Flashcards
maintaining a range of normal internal environment is ___
homeostasis
the state of steady internal physical chemical conditions maintained by living system
homeostasis
the purpose of homeostasis is to maintain the established internal environment without being over overcome by external stimuli
homeostasis
Anatomical Plans: MEDIAN
A vertical plane passing through hotdog style through the body dividing the body into left and right. (transverse)
Anatomical Plans: SAGITTAL
A vertical line passing through the body parellel to the median plane
Anatomical Plans: coronal
a vertical plane passing though the body dividing anterior and posterior
Anatomical Plans: Horizontal
a plane that divides the upper and lower half of body
Directional Terms
describe the positions of structures relative to other structures or locations in the body
prone
upside down nose to floor
supline
upward facing looking into sky (could hole a bowl of soup
Lateral view is
sideways/shoulder first
anterior view
forward facing
What are the léveles of biological organisms?
- Cells
- Tissue
- Organ
- System
- Organism
What is an atom?
Smallest stable unit of matter // basic building block of chem
Atoms are made up of ?
Subatomic particles
What are subatomic particles?
Protons
Neutrons
Electrons
What is an atomic number ?
Simply the number of protons in the giving element // the little number on top of the chem
What is the mass number?
Is the number of protons and neutrons on an atom// the larger number under the element
What is a buffer?
Minimizes changed in the pH label by preventing significant pH changes
Buffer is
A solution that can resist pH change upon the addition of an acidic or basic components
What are the functions of enzymes?
Lower the energy of activation
Increase energy activation
Catalytic activity
Stores energy
Respiratory acidosis
Is a condition that occurs when the lungs can’t remove enough carbon dioxide from the body causing the blood to become acidic and the pH to feline
what are 5 Macromolecules ?
Carbohydrates
Proteína
Lipids
Nuclei acids
Fibers
Carbohydrates consist of
Carbon C
Oxygen C
Hydrogen H
Carbohydrates//Carbs are
Sugar molecules
Chargaffs rules states
DNA there is always equality in quantity between the bases A and T and between G and C
Cranial Cavity
Houses and protects main components of the central nervous system
Prokaryotic // eukaryotic
Cells
Hematological system
The system of the body responsible for the prediction of all the blood cell lines
Cell death
Ischemia
Hypoxemia
Infarction
Necrosis
Gangrene
What are monomers // carbohydrates
Glucose
What are monomers // proteins
Amino acids
What are monomers // lipids
Triglycerides
What are monomers // nuclearice acids
Nucleotides
What are monomers // fibers
Cellulose
Describe the metabolic pathway by which the body regulates glucose or calcium levels in the blood. Ensure that the homeostatic mechanism (positive or negative feedback) is specified
Glucose may be converted to fats and fats to glucose glucose is used to convert to fatty acids here through the APT response it turns fat to energy using the negative energy response
Dorsal
Back
Ventral
Front
What is an acid?
Gives off hydrogen ions in water and forms salts by combining with certain metals
What is PH?
The measure of how acidic or basic a substance or solution is.
What are 5 functions of lipids?
Storing and providing energy
Chemical messengers
Cholesterol formation
Regulating body temp
Prostaglandin and it’s role in inflammation
Membrane lipid layer of formation
What is a paratenium ?
A membrane that lines the abdominal cavity
What is a lesser partenium?
The potential spec the exist within the abdomen between the stomach and pancreas
