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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) |