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5 Written questions

5 Matching questions

  1. What are the 3 most popular body planes?
  2. What are the 2 major types of membranes found in the body?
  3. What are the two main body cavities and what is contained in them?
  4. What are the mucous membranes and where are they located?
  5. What is hypertonic?
  1. a A solution with a higher salt concentration than in the cells
    (cells shrink) LESS WATER THAN IN CELL
  2. b 1. Epithelial membranes
    2. Connective Tissue membranes
  3. c Line the body tracts open to the environment
    ---respiratory , digestive, urinary and reproductive
    ---mucus keeps the living epithelium we and provides lubrication in the digestive tract
    ---traps dust and bacteria in the respiratory tract
  4. d 1. Sagittal plane which divides left from right (cut down the middle would be mid-sagittal)
    2. Frontal plane which divides the body front to back (Coronal)
    3. Transverse plane which is a horizontal plane that separates the body into upper and lower portions (cuts you at belly button into upper body and lower body)
  5. e 1. The dorsal cavity which contains the spinal and cranial cavity
    2. The ventral cavity which contains the thoracic, abdominal and pelvic cavities

5 Multiple choice questions

  1. Heart and lungs
  2. synthesis reactions: bonds are formed to join two or more atoms to make a new compound
    (ex: proteins are sythesized by the bonding of many amino acids)
    decomposition reactions: bonds are broken and a large molecule is changed to two or more smaller ones
    (ex: digestion of starch into many smaller glucose molecules)
  3. process of cell division that results in the formation of gametes which are egg and sperm cells.
    (used for creating human life)
  4. name for energy production within cells and involves the respiratory gases: oxygen and carbon dioxide
    (ex: glucose and oxygen combine to make carbon dioxide, water, ATP and heat)
  5. covalent bond formed between two atoms of sulfur
    (ex: strand of hair maintains its shape)

5 True/False questions

  1. What are the cell organelles and what do they do?ER or endoplasmic reticulum- are tubules that transport materials necessary for cell function within the cell.
    Ribosomes- are very small structures made of protein and ribosomal RNA and are found on the surface of rough ER.
    Proteasome- is a barrel shaped organelle made of enzymes that cut protein molecules apart.
    Golgi apparatus- are flat, membranous sacs where carbohydrates are synthesized and are packed with other materials for cellular secretion.
    Mitochondria- are oval organelles bound by a double membrane where cell respiration takes place and site of ATP production.
    Lysosomes- are single membrane structures that contain digestive enzymes and eat dead cells and bacteria .
    Centrioles- are a pair of rod shaped structures outside the nucleus that spindle fibers during cell division.
    Cilia and Flagella- are thread-like projections through the cell membrane that can sweep materials across cell surface and flagellum provide mobility of the cell.
    Microvilli- are folds of the cell membrane that increase surface area of membrane when needed. They are good for absorption of nutrients as well.
    Cytoskeleton- are the framework and support of the cell. Made of microfiliaments.

          

  2. Point out cell organelles and name

          

  3. What is mitosis?Cell division involving one cell with the diploid number of chromosomes dividing into two identical cells.
    (used for repair of tissues and growth of the organism)

          

  4. What is a buffer and what does it do?A buffer system is a chemical or pair of chemicals that minimizes changes in pH by reacting with strong acids or strong bases
    (ex: buffer bonds to H+ ions when body fluid is becoming too acidic or release H+ ions when fluid becomes too alkaline)

          

  5. Review the types of cells by shape

          

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