Answer:
The cells of the body's surface form the outer layer of skin. Inside the body, epithelial cells form the lining of the mouth and alimentary canal and protect these organs. Epithelial tissues help in absorption of water and nutrients
The brain is protected by the bones of the skull and by a covering of three thin membranes called meninges. The brain is also cushioned and protected by cerebrospinal fluid. This watery fluid is produced by special cells in the four hollow spaces in the brain, called ventricles.
Explanation:
Answer:
In the light-dependent reactions, water molecules do not give up electrons easily so the hydrogen ions remain in the thylakoid compartment. The movement of the hydrogen ions back to the stroma is due to the gradient.
The hydrogen ions have energy as they flow down the gradient that takes place due to the chemiosmosis process, oxygen combines and flows or diffuse.
Answer:
Hmm.
Explanation:
<em>'Oils are fats that are liquid at room temperature, like the vegetable oils used in cooking. Oils come from many different plants and from fish. Oils contain more monounsaturated and polyunsaturated fats. Solid fats are fats that are solid at room temperature, like beef fat, butter, and shortening.'</em>
