Answers edited by Suren Abreu

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• What happen when the retina absorbs light?
  
• How many teeth does the average human have?
  
• How do you evaluate #35- 5\times 2+ 9\div 3#?
  
• Question #db389
  
• Question #f9b16
  
• Why is placenta previa more common in females?
  
• How do you solve #1+ \frac { 1} { x - 7} = \frac { 4x } { x - 7}#?
  
• What pulmonary blood vessel carries oxygen-rich blood?
  
• How do you simplify #sqrt(50a^3b^5)#?
  
• If different atoms have the same number of protons but different numbers of neutrons what are they called?
  
• Question #88b5b
  
• Question #606dc
  
• Vertebrae are examples of what type of bones?
  
• How does the skeletal system change as we grow?
  
• Why is a chemical synaptic transmission unidirectional? Does calcium open up Ca+ channels in the bulb and Ca+ rushes in and allows for neurotransmitters to enter?
  
• How do you simplify #\frac{20-0}{33-5}#?
  
• Question #307bf
  
• What degree of comparison is used in the sentence: "Some of the groceries are more expensive each week."?
  
• Victoria's printer can print 8.804 pages in one minute. If Victoria prints pages for 0.903 minutes, about how many pages will she have?
  
• What number is 38% of 60?
  
• Mariposa needs a number of 0.3125-inch strips of wood for a model she is building. How many of these strips can she get from a 5.625-inch wooden board?
  
• How does material move from the respiratory system to the circulatory system?
  
• What are the accessory organs of the eye and what do they do?
  
• How do you evaluate #8- 12\div 3+ 21\div 7#?
  
• Emily is entering a bicycle race for charity. Her mother pledges $0.40 for every 0.25 mile she bikes. If Emily bikes 15 miles, how much will her mother donate?
  
• Tim bought 9 new baseball trading cards to add to his collection. The next day his dog ate half of his collection. There are now only 24 cards left. How many cards did Tim start with?
  
• How do you multiply #4\sqrt { 27} \times \sqrt { 12}#?
  
• My fiance and I are planning to get married two years from now. She has an O- blood type and I have a B+ blood type. Can any complications arise if we conceive a child as a result of our blood types? If so, what are they and is there a solution?
  
• What is the function of cardiac muscles cells?
  
• Question #3305b
  
• How do you solve #x^ { 4} - 51x ^ { 2} = - 50#?
  
• Where is the esophageal section of the stomach located?
  
• How is the release of anterior pituitary hormones regulated?
  
• Where does the carbon dioxide that we exhale come from?
  
• What part of speech is the word "absurd"?
  
• Why does water roll off a person's skin when the person gets out of a swimming pool?
  
• One number is 2/3 of another number. The sum of the two numbers is 10. How do you find the two numbers?
  
• What on the blood determine a person's blood type?
  
• A flower bed is in the shape of a triangle with one side twice the length of the shortest side, and the third side is 23 feet more than the length of the shortest side. If the perimeter is 167, what are the three sides?
  
• What are the the body's defenses? How do they differ from each other?
  
• How much is forty minus seven hundred?