Answer:
Sugar- sweet taste, surface with rough texture, white
Water- polar, excellent solvent, less dense than solids, can change shape
Explanation:
1- observation
2-hypothesis
3-test hypothesis
4-analyze data
5-conclusion
Finger- like projections facilitate absorption in the following ways;
a) They increase the surface area of the organ eg. small intestines to allow more area of nutrients to be absorbed. The larger the surface area the more nutrients are absorbed.
b) They contain many capillaries which helps to increase the rate of nutrients absorption in the small intestines.
Answer:
By breathing when oxygen enters the body it goes to alveoli and gas exchange occurs then carbon dioxide comes out of the the body
