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Week 1- 6
| Term | Definition |
|---|---|
| Of the 11 major body systems, which is the least involved in maintaining homeostasis? | Reproductive |
| Shivering to try to raise your body temperature back to normal would be an example of: | the body trying to maintain homeostasis AND a negative-feedback mechanism. |
| The types of lipids found that form hormones, such as cortisone, estrogen, and testosterone are: | steroids |
| Twenty-three chromosomes per cell in humans is referred to as: | haploid |
| During which stage of mitosis do the centrioles move to the opposite poles of the cell? | Prophase |
| Which is true about the sodium and potassium pump? | Three sodium ions are taken out of the cell. |
| Which of the following is not a characteristic of connective tissue? | Typically holds its cells together tightly by means of desmosomes |
| The type of tissue that contains cells called neurons is called: | The type of tissue that contains cells called neurons is called: |
| The hypodermis: | connects the dermis to underlying tissues. |
| Which of the following is not a function of adipose tissue? | Defends the body from microbes and injurious substances |
| Which cells help destroy pathogens and damaged tissue in the brain? | Microglia |
| The cells responsible for active erosion of bone minerals are called: | |
| Protection flexibility sensation excretion immunity hormone production | Function of skin |
| Help change /amplify | Positive feedback |
| Efferent | signal is moving away from a center or other point of reference |
| Articulations | Articulations are the points of contact between bones that either stabilize the parts of the skeleton or make movement possible. |
| immovable joints | sutures of the skull, adjacent bones are bound together into a strong and rigid protective plate. |
| The most important factor in determining the physical and chemical properties of fatty acids | the degree of saturation |
| Characteristics of meiosis | four haploid gametes(46 reduced to 23), reduction division, two steps of cell division (meiosis I &II) |
| Cells that electrically insulate axons to increase the speed of conduction | Oligodendrocytes and schwann cells |
| The resting zone serves as? | a point of attachment firmly joining the outer end, or epiphysis, of a bone to the shaft. |
| Physiological muscle fatigue may be caused by: | Relative lack of ATP. High levels of lactate. Failure of the sodium-potassium pumps. |
| peripheral nervous system (PNS) | consists of the nerve tissues that lie in the periphery, or “outer regions,” of the nervous system. |
| somatic nervous system (SNS) | regulates the somatic effectors, which are the skeletal muscles. |
| A saturated fatty acid is one in which | all available bonds of its hydrocarbon chain are filled. |
| Groups of biomolecules | . Carbohydrates 2. Proteins 3. Lipids 4. Nucleic Acids |
| carbohydrates are divided into three types or classes that are characterized by the length of their carbon chains. | 1. Monosaccharides (simple sugars) 2. Disaccharides (double sugars) 3. Polysaccharides (complex sugars). |
| DNA | DNA is a double helix that we can reference back to a ladder, that has many twists and turns in it. Almost a two-sided rollercoaster |
| Diffusion | small particles to spread out evenly within any given space |
| small particles to spread out evenly within any given space | Sensor mechanism, integrating center, effector, and feedback |
| Negative feedback control systems do what? | Oppose a change |
| Positive feedback control systems do what? | Accelerate a change |
| Extrinsic control usually involves which mode of regulation? | Nervous and endocrin |
Created by:
krandis415
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