The bark of a tree is impervious to gases and water because bark cells are dead cells of the epidermis and compactly arranged without intercellular spaces. They contain a chemical called suberin in their walls that make them impervious to gases and water and it doesn't allow gases or water into the tree as bark cells are in the bark outer most layer of the tree.
Answer:
Vacuoles are membrane-bound sacs within the cytoplasm of a cell that function in several different ways. In mature plant cells, vacuoles tend to be very large and are extremely important in providing structural support, as well as serving functions such as storage, waste disposal
Explanation:
<h2>False </h2>
Explanation:
Alimentary canal components include mouth, pharynx, esophagus, stomach, small intestine and large intestine whereas liver is a component of the accessory digestive system
- The liver is a large organ that is located in the upper right portion of abdomen, beneath the diaphragm
- The liver has two large sections, called the right and the left lobes and the gallbladder sits under the liver, along with parts of the pancreas and intestines
- The liver and these organs work together to digest, absorb, and process food
- The liver's main role is to filter the blood coming from the digestive tract, before passing it to the rest of the body
- The liver also detoxifies chemicals and metabolizes drugs
- The liver secretes bile that ends up back in the intestines and also makes proteins important for blood clotting and other functions
Answer:
physical process of atoms or molecules moving apart within a gas or liquid.
Explanation:
