Answer:
The skin
Digestive tract
Vagina
Mucous membrane
Explanation:
The skin prevents microbes from entering the body
Digestive tract e.g. stomach acid is a natural defence mechanism
The vagina is acidic and this prevents harmful bacteria from growing with it's own flora.
Mucous membranes e.g. lining of the mouth, nose, eyelids are all defense mechanisms.
Answer:
2 g per kg
Explanation:
Most research indicates that eating more than 2 g per kg of body weight daily of protein for a long time can cause health problems.
Answer:
C. Live a healthy lifestyle, get the necessary vaccinations, and make sure to wash your hands often.
B. if you're never by yourself
A. lung cancer
Explanation:
Answer: C. David feels sad for a long period, even when something good happens.
Explanation: i felt like that.. so they decided i needed a therapist... funny cause my friend David helped me through those tough days.
Answer:
The food pyramid gives a simple and visually appealing guideline that enables people to easily see how much of different key food groups they should be eating. It encourages healthy eating but emphasising the smaller quantity of fats and larger quantity of carbohydrates one should eat, for example. It is effective, but the weakness is that food packaging is not always labelled well enough for us to know the exact nutritional content.
Explanation:
this is what you put in your writing box.
<3 I hope I helped you!
