Key Biology Facts

Question 1

How to prepare a slide?

Answer 1

1. Add a drop of water to the clean slide
2. Add the tissue into the water on the slide
3. Add a drop of Iodine Solution
4. Place a cover slip on top

Question 2

Organ systems (11)

Answer 2

Circulatory
Digestive
Endocrine
Excretory
Integumentary
Lymphatic 
Muscle
Nervous
Reproductive
Respiratory
Skeletal