Why does the frequency of children born with down’s syndrome increase with the age of the mother? why does it not increase similarly with the age of the father? a. eggs are set aside before birth and therefore have aged; sperm are made continuously b. the gene conferring down's syndrome is located on the x chromosome c. the gene conferring down's syndrome is located on the y chromosome.

If babies are consistently placed on their backs without any restrictions, what will happen to their development? a. they suffer from weakness in certain muscle groups. b. their ability to roll over, crawl, and eventually walk is hindered. c. they suffer brain damage from the pressure on the back of the head. d. they learn to roll over, crawl, and eventually walk on their own.

{20 points} hello. for my p.e. class i need to interview people about at health and wellness. so answer the questions below. interviewee name: age: gender: job: date and time of interview: 1. what are some major health concerns that you have? 2. are there ways that you know you can monitor and prevent these health concerns (or other concerns like obesity)? 3. how do family members influence your health? if you need to find out more about a specific health issue, what do you do? be specific. (don’t let them say “look on the internet”, because we have already learned that not everything on the internet is reliable! they should tell you a specific site if they use the internet as a source.) 4. what do you think is the biggest health concern facing our country? 5. what are some things that you do to monitor your health? 6. how would you get the word out about this major health concern? 7. how do you think the media influences what concerns we have for our health? 8. what are some future goals involving your health and well being? 9. why is it important to monitor your health, specifically to you? 10. and what influences you stay healthy?

Felicia has a respiratory infection and has been coughing up a lot of mucus. she knows this means that her respiratory system is working to restore balance by getting rid of the invasive materials from her lungs. how does this happen?