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.
Because science involves a lot of replication to confirm results. That means without the systems, it would take a long time to get the results right.
Answer:
Explanation:
The color of our hair, skin, and eyes is determined by the same thing: the amount of pigment they have. The pigment that causes dark hair, skin, and eyes is called melanin. Melanin is made in special cells in the body called melanocytes.
Answer:
cell wall
Explanation:
Animal cells do not have a cell wall
Answer:
A culture represents the beliefs and practices of a group, while society represents the people who share those beliefs and practices. Neither society nor culture could exist without the other.