#BIOLOGYCH8F4

What will happen to a fish if its gills are torn after being caught in a net? 🎣🐟

- reduced surface area
- heavy bleeding due to torn blood capillaries
- risk of infection due to foreign materials entering blood stream
- reduced oxygen intake
- suffocation

#BIOLOGYCH9F4

If you chew a piece of bread slowly, you'll find there is a change in taste. Why? 🍞

Bread contains starch. The saliva in the mouth produces salivary amylase enzyme. Salivary Amylase breaks down the starch in bread into maltose. Maltose has a sweet taste.

Eating Habits Health Issues.pdf

hii this is just a short case study abt the 4 health issues related eating habits in chapter 9 form 4!

- diabetes type 2
- obesity
- pica
- acid reflux

#BIOLOGYCH9F4

An individual likes to overeat in a short period of time followed by intentional throwing up on purpose after each meal.

Explain the effects:

- this individual suffers from bulimia nervosa
- to retain body mass, they purge food
- they also suffer from stress and anxiety
- this causes an imbalance in minerals
- damage to alimentary canal

#BIOLOGYCH9F4

A student enjoys eating a lot of oranges. Explain the effects on digestion. 🍊

- acid in orange = reduces pH level in duodenum
- slows digestion

#BIOLOGYCH10F4

Aqilah felt nauseous and fainted after donating blood. Why?

- donating blood = blood loss
- less blood returns to heart = fainting
- less oxygen to brain = nausea