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weeks 1-5
Weeks 1-5
question/answer | term |
---|---|
Homeostasis | Dynamic equilibrium, Maintained physiological balance for body to survive |
Feedback loop | Sensor mechanism, integrator or control center, effector mechanism, Feedback |
Isotopes | same number of protons but different # of neurons |
Chemical bond | interactions between 2 or more, occur as a result of activity between outer field |
Ionic Bond | chemical bond formed by the transfer of electrons of one atom to another |
Covalent Bond | bond created by sharing one or more pairs of electrons |
non-polar | electrons that are shared equally among atoms and have no polarity |
Polar | unequal charge on a molecule |
3 most important subatomic particles | Protons, Neutrons, Electrons |
How many elements does a body have | 26 elements |
How many major elements? | 11 major elements, 4 make up 96% of material in human body. Carbon, Oxygen, Hydrogen, Nitrogen |
Synthesis reaction | 2 or more substances called reactants combine to forma a more complex substance |
Metabolism | all chemical reactions in the body |
Catabolism | breakdown larger food molecules, release energy |
anablism | Chemical reaction that build larger and more complex chemical molecules from smaller units. |
Hydrolysis | Chemical breakdown to a water molecule |
Hydration Synthesis | Chemical reaction responsible for joining together smaller units to form larger molecules |
ATP | Adenosine Triphosphate |
the 3 basic types of chemical reations | Synthesis, Decompositions, Exchange |
Epitheal Tissue | Covers and protects the body surface |
Connective Tissue | supports the body and connects its parts and protects against foreign invaders |
Muscle Tissue | Produces movement, Produces most of the body's heat |
Nervous tissue | Most complex in the body, communication among the various parts of the body |
Pluera | lungs and thoracic cavity |
Pericardium | Surrounds the heart |
Peroteneum | Surrounds the abdominal cavity |
3 types of Epithelial membranes | Cutaneous, Serous, Mucous |
Epithelial Cell shapes | Squamous, Cuboidal, Columnar, pseudostraitified columnar |
3 Endocrine Glands | Apocrine, Holocrine, Inerocrine |
Produces new blood cells | Red blood Marrow |
Lamellae | Bone matrix |
5 Layers of Epidermis | Stratum basale (base), Stratum spinosum (spiny layer), stratum granulosum (granular layer), Stratum Lucidum (clear layer), Stratum Corneum (Horny layer) |
2 types of Bones | Compact bones (80%), Cancellus Bones (20%) spongy |
Compact Bones | consist of cylinder shaped osteons that have osteocytes (cemented) |
Cancellus Bones | crisscrossing bony branches called trabeculi, produces red bone marrow |
blood cell production | Hematopoesis |
Name 3 types of Cartilage | Hyaline (joint-Reduce friction, articulate, absorb shock) Elastic (outer ear, epiglotis airway, shape and support) Fibrous (intervertile spine, pubic syphosis, absorb shock) |