Guess the activity

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Let's see if you can guess the activity described in this article. (The key words have been taken out)

... is one of the most popular forms of ..., and it's easy to see why. The only equipment you really need is ... , and you can go for a ... just about anywhere. Plus, it's meditative, burns calories, builds your endurance and tones your body.
Many people find the activity addictive. You've probably heard of the so-called "... high".
... releases endorphins into the brain, and endorphins are responsible for mood changes. The harder you ... , the more endorphins released, and the giddier your "high." Some studies show that this endorphin rush allows people to continue ... even when injured.
And that brings us to the point of this article -- why people continue their ... even when they're sick. Most of us curl up in bed with some chicken soup and the remote control when we're under the weather. But ... do not. Are they helping or hurting themselves by ... with a cold? How do you know when it's OK to ... and when it's better to take off ... and climb in bed?
The best way to decide whether you should ... is to employ what doctors call the "neck check." Feel free to ... if your cold is "above the neck." Above-the-neck symptoms include:
Runny nose
Nasal congestion
Sneezing
Sore throat
Doctors advise against proceeding with ... if your symptoms are "below the neck," however. These symptoms include:
Chest congestion
Hacking cough
Nausea or upset stomach
High fever
Fatigue
Body and muscle aches

Some people think that ... in cold temperatures will actually make them sick. But this isn't really true. You can't freeze your lungs or windpipe. When the air is particularly cold, you may feel a burning in your chest as you inhale. If that's the case, try covering your mouth. That'll help heat up the air before you inhale. But if you have a simple head cold, it should be fine to ... , even if it's cold outside. The adrenaline ... provides can even help clear up a stuffy head.
(The article was taken from HowStuffWorks.com and edited a bit to make it hotter)

Animal Riddles

Question/Answer
1. - How do you stop a dog from barking in the back of the back seat of a car? - Have him sit in front with you.
2. - What animals need to be oiled? -A: Mice do. They squeak.
3. - What kind of bird is like a car? - A goose is like a car. They both go honk.
4. – When is it bad luck to have a black cat follow you? - When you are a mouth.
5. – What is a good way to keep a dog off the street? - Put him in a barking lot.
6. – Why is it hard to talk with a goat around? - Because he always butts in.
7. – What hurts more than a giraffe with a sore throat? – A centipede with sore feet.
8. – What is grey, has ears, a long trunk, and weighs only three pounds? - A very,very,very thin elephant.
9. – What kind of pine has the sharpest needles? – A porcupine.
10. – Put three duck in a box. What do you have? – A box of quakers.
11. – Ten cats were in a boat. One jumped out. How many were left? - None of them. All the rest were copycats.
12. – Name six things smaller than the mouth of an ant? – Six of his teeth.
13. – What animal can carry the most on his back? – The snail. He carries his house on hiss back.
14. – What is the best way to catch fish? - Have some one throw it to you.
15. – What kind of animal eats with his tail? – All kinds of animals eat with tail. They can’t take them off.
16. – What is the best thing to put into a pie? - Your teeth.
17. – What is the hardest thing about learning to ride a bicycle? - The thing you fall on.
18. – What come all the way to a house, but never gets in? – The steps.
19. – Why did the little boy put ice in his father’s bed? – Because he liked cold pop.
20. – When is a boy not a boy? - When he turns into a store.
21. - Can you drop a full glass and spill no water? - Yes, when the glass is full of milk.
22. – What should you do when you see a big lion? - Hope the big lion doesn’t see you.
23. – Why does a giraffe eat so little? - Because a giraffe can make a little go a long way.
24. – What horse can fly like a bird? A horsefly.
25. – If your dog ate your book, what would you do? - I would take the words right out of his mouth.
26. – What has two heads, one tail, four legs on one side, and two legs on the other? - A horse with a lady riding sideways.
27. – Would you rather have an elephant chase you or a lion? - I would rather have the elephant chase the lion.
28. – Why does a humming bird hum? - Because he doesn’t know the words.
29. – What must you know before you teach a dog tricks? - More than the dog.
30. – What is better than a dog that can count? - A spelling bee.
31. – When did the fly fly? - When a spider spied her.
32. – Why don’t you put an ad in the paper when you’ve lost your dog? - Dogs can’t read.
33. – Which side of a hen has the most feathers? - The outside.
34. – What is the best way to get something out from under an elephant? - Wait for the elephant to go away.
35. – When will a net hold water? - When the water turns to ice.
36. – What is the best way to keep a skunk from smelling? - Hold his nose.
37. – Our hen can lay an egg for inches long. Can you beat that? - Yes, with an egg beater.
38. – What is the best way to make trousers last? - Make the coat first.
39. – Why did the little boy throw the clock out of the window? – Because he wanted to see time fly.
40. What kind of animal has a head like a cat and a tail like a cat, but is not a cat? - A kitten.
41. – What time is it when an elephant sits on a fence? – Time to get a new fence.
42. – Why do birds fly south? - Because it is too far to walk.
43. – What is the last thing you take off when you go to bed? – You take your feet off the floor.
44. What kind of animals can jump higher than a house? – All kinds of animals. Houses cannot jump.
45. – What dog keeps the best time? - A watch dog.
46. – Why does a baby pig eat so much? - To make a hog of himself.
47. – Why does a hen lay eggs? - Because if she let them drop, they would break.
48. – Name 5 things that have milk in them. – Butter. Cheese. Ice Cream. And 2 cows.
49. – What is the best way to make a fire with 2 sticks? - Make sure one of the sticks is a match.
50. – What did the pig say when a man got him by the tail? - "This is the end of me."
51. – What kind of dog has no tail? - A hot dog.