Portals of entry are the sites where micro-organisms can enter a host and reproduce, causing diseases or infections. There are various portals of entry in the human body. This can include the skin, our mucous membranes, and even our respiratory and gastrointestinal tracts. Portals of exit are where these micro-organisms leave and spread to other individuals. Portals of exit include coughing, sneezing, and some of our bodily fluids.
In small intestine millions of micro villi are present for greater absorbption of digested food.
Answer:
B. Stop-motion animation created with clay and photographs.
(Ex...Tim Burton movies such as 'Coraline' or 'The Nightmare Before Christmas')
A statement that would be least likely used too describe variation is
“Variation is something that moves”
That is a least likely description.
Answer:
Muscles contract rapidly to produce heat on a cold day.
Explanation:
