The iris contains muscles that allow the pupil to become larger and smaller !
Answer:
In the broadest sense, there are three types of memory: sensory memory, short-term memory, and long-term memory. Typically, when we think of the word "memory," we're referring to long term-memory, like remembering the quarterback for the New York Giants. But, our minds also possess sensory and short-term memory.
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Answer:
Chemical digestion begins in the mouth when food mixes with saliva. Saliva contains an enzyme (amylase) that begins the breakdown of carbohydrates.
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Jamaica Black cattle breed
Explanation:
Thomas Phillip Lecky, known as T.P. Lecky (1904-1994), was a Jamaican scientist who developed several new breeds of cattle. Lecky is known as one of Jamaica's earliest environmentalists, and a strong advocate for conservation of hillsides.
