A positive home pregnancy test can have a false positive
Answer:
It will be endorphins
Explanation:
any of a group of hormones secreted within the brain and nervous system and having a number of physiological functions. They are peptides which activate the body's opiate receptors, causing an analgesic effect.
Answer:
a dog
Explanation:
Dog owners tend to live longer and far better after a heart attack or stroke. Researchers found that there were 33% lesser chance of death to occur in a person who is the owner of a dog after a heart attack. Dogs tend to calm the humans.
All are round and orbit around a star
No significant were found in the public