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Bishal Bhattarai
Anatomy weeks 1-5
| Question | Answer |
|---|---|
| What are the seven levels of organization? | Chemical level, Organelle level, Cellular level, Tissue level, Organ level, System level, and Organism level |
| What are the two major body cavities? | Dorsal cavities and Ventral cavities |
| What elements make up 96% of the material in the human body? | Carbon, Oxygen, Hydrogen, and Nitrogen |
| What is meant by the octet rule? | Atoms with fewer than eight electrons in the outer energy level will attempt to lose, gain, or share electrons with other atoms to achieve stability. This tendency is called the octet rule. |
| What is catabolism? Give an example. | The chemical reactions that break down complex compounds into simpler ones and release energy is called catabolism. Hydrolysis is an example of catabolic reaction. |
| List the three main structural components of a typical cell. | 1.The plasma membrane 2.Cytoplasm, including the organelles 3.The nucleus |
| What are the two advantages of gap junctions? | Certain molecules can pass directly from one cell to another and electrical impulses traveling along a membrane can travel over many cell membranes in a row without stopping between separate membranes. |
| Name the four basic tissue types. | Epithelial tissue, Connective tissue, Muscle tissue, and Nervous tissue |
| How do elastic fibers differ from collagenous fibers? | Elastic fibers are made of a protein called elastin, which returns to its original length after being stretched. Whereas, collagenous fibers are made of the protein collagen and often occur in twisted bundles. |
| What are the three types of exocrine glands? | Apocrine glands, Holocrine glands, and Merocrine glands |