EVERYDAY SCIENCE - BODY SYSTEMS
Question 2

Ace remembers when he was younger, he used to do handstands while eating his lunch. His mother would often stop him and say: “Food will not be able to reach your stomach if you are upside down.”

body system oeq2.jpg
Answer 1

Fill in the blanks with the keywords provided below.
[larger surface area] • [stomach] • [faster] • [break up] • [digestive juices] • [smaller pieces] • [mouth] • [gullet]

a) Explain why his mother’s statement is incorrect.

Answer:

Even if a person is upside down, the muscles in the will still be able to push food from the to the .


b) Ace’s mother also advised him to chew his food properly before swallowing. Explain why it is important to do so.

Answer:

Chewing will the food into . The food will have a that is exposed to . There will be a rate of digestion.




DO YOU KNOW plain.png

“The action of muscles in the digestive tract pushing the food down is known as peristalsis. Peristalsis do not just occur in the gullet. It takes place along the whole digestive tract to move food down.”