A microorganism that can make a person ill is called a
Mathematics, 19.05.2020 14:19, florochoa217
Copy and complete these sentences.
A microorganism that can make a person ill is called a
. Some types of bacteria,
and
are pathogens. Some pathogens can get into the body
in food and drink. The stomach produces .
which helps to destroy these.
The skin has a thick layer of
that stops most pathogens getting into it. However,
if the skin is cut, pathogens may enter the blood. Blood helps to prevent this.
Many of the pathogens that are present in the air that we breathe in are prevented from reaching
the lungs, because they are trapped by sticky in the respiratory passages.
Answers: 3
Mathematics, 21.06.2019 15:00, saucyboyFredo
There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.
Answers: 3
Mathematics, 21.06.2019 21:30, ladydeathanddea
Amira is painting a rectangular banner 2 1/4 yards wide. the banner will have a blue background. amira has enough paint to cover 1 1/2 square yards of the wall. the school colors are blue and yellow, so amira wants to add yellow rectangles on the left and right sides of the blue rectangle. the yellow rectangles will each be 3/4 yards wide and the same height as the blue rectangle. what will be the total area of the two yellow rectangles?
Answers: 3
Copy and complete these sentences.
A microorganism that can make a person ill is called a
A microorganism that can make a person ill is called a
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