Paragraph: (Science-textbook/science-g4-24.txt)
Sent 1: You couldnt survive without your skin.
Sent 2: It has many important functions.
Sent 3: The main function of the skin is controlling what enters and leaves the body.
Sent 4: It prevents the loss of too much water from the body.
Sent 5: It also prevents bacteria and other microorganisms from entering the body.
Sent 6: The skin helps maintain a constant body temperature.
Sent 7: It keeps the body cool in two ways.
Sent 8: Sweat from sweat glands in the skin evaporates to cool the body.
Sent 9: Blood vessels in the skin dilate, or widen.
Sent 10: This action increases blood flow to the body surface.
Sent 11: This allows more heat to reach the surface.
Sent 12: The heat is then able to radiate off the body.
Sent 13: The opposite happens to retain body heat.
Sent 14: Blood vessels in the skin constrict, or narrow.
Sent 15: This decreases blood flow to the body surface.
Sent 16: This reduces the amount of heat that reaches the surface.
Sent 17: When this happens, less heat can be lost to the air.

Question: What prevents the loss of too much water from the body? (true/0)

Question: What happens when less heat reaches the surface of your skin? (true/1)

Question: What action do the blood vessels take to increase blood flow? (false/2)

Question: What kind of vessels in the skin dilate to help cool the body? (true/3)

Question: What do blood vessels do to retain body heat? (true/4)

Question: What happens when the heat reaches the surface of your skin? (true/5)

Question: What decreases blood flow to the body's surface? (true/6)

Question: What is different when something constricts as compared to when it dilates? (true/7)

Question: Is skin important and what are the main functions of the skin on your body? (false/8)

Yes, protect the body, prevent water loss, maintain temperature
Skin is very important. You could not survive without it and its main function is to control what enters and leaves the body
Yes the skin is important, its main function is controlling what enters and leaves the body, maintaining the body's temperature, preventing the body from losing too much water and preventing bacteria and other microorganisms from entering the body
No
Bullet proof
No the skin is not important, the skin's main functions are being visually appealing and absorbing bacteria
Just a dress
Prevents bacteria and other microorganisms from entering the body
Yes, constrict, dilate, heat

Question: Can skin prevent bacteria from entering the body? (true/9)

No
Bacteria co go inside
Yes
Prevents bacteria and other microorganisms from entering the body

Question: Whose loss from the body is prevented by the skin? (false/10)

Question: What are two ways in which the body cools down? (false/11)

Sweating and dilating blood vessels
One way is through the blood vessels constricting, and sweat
One way is through sweat from the sweat glands in the skin that evaporate to cool the body. The second is through blood vessels in the skin that dilate, or widen
Sweating and constricting blood vessels
Preventing water loss and constricting blood vessels
Sweat glands and blood vessels
Fan and ac

Question: Does the skin have any control over body temperature and if so in how many ways does it? (true/12)

Yes, and in 3 ways
Yes, in 5 ways
Air conditioner
Yes it controls body temperature by sweat and sweat gland to cool the body
Yes, three
Yes, the skin does help maintain a constant body temperature and it does in two different ways
Yes, two

Question: In how many ways does the skin help maintain body temperature? (false/13)

Question: What increases blood flow to the body's surface? (true/14)