Specific Purpose: To talk about how black widows toxins
Central Idea: how to identify black widow, the effect of the toxin, how to treat after being infected and how to avoid being bitten.
Introduction
* How to identify weather the black widow is a male or female * About 5% of all black widow attacks are fatal. The black widow, however, usually bites people only when its web is disturbed. And males black widow does not bite * No matter how poisonous the bites may be it will not kill a human because it’s a small insect, however if do not seek ay medical attention it may become lethal.
Main Points:
I. How to identify
Female black widow by her shiny, black body that has a reddish hourglass shape on the underside of the belly and the male is around half the size of the female and sometimes has a pair of reddish stripes on the side of his body.
II. The effect
The female black widow possesses venom 15 times more potent than rattlesnake venom. The bite is like a pin prick but causes pain throughout the whole body within a few minutes of the attack. The pain spreads rapidly to within a few hours of the bite. The victim usually recovers in 2 to 5 days
III. How to treat the bites
The best thing to do if bitten by a black widow is to immediately wash the wound with warm, soapy water. If symptoms do not go away, you should seek medical attention immediately.
IV. How to avoid
Indoors, spiders and their webs can be vacuumed up. Outdoors, in fields of fruit or vegetable crops where these spiders are known to be a problem, gloves should be worn as a safeguard against being bitten. Black widow spiders can also be killed with pesticidal sprays
Conclusion
Avoid places that may have black widow, learn how to identify the males and female, even if get bitten do not panic and seek for medical attention.
FULL SENTENCE OUTLINE
General Purpose: To inform
Specific Purpose: To inform my audience of the four stages of