<span>The immune system protects the body against illness and infection caused by bacteria, viruses, fungi or parasites.
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Acquired immunity: This is an immune protection that the body learns after having the cells<span> that are attached to a cancer cell. </span>The body learns to recognize each different kind of bacteria, fungus or virus it meets for the first time.
Lactose intolerance happens when your small intestine does not make enough of a digestive enzyme called lactase. Lactase breaks down the lactose in food so your body can absorb it. People who are lactose intolerant have unpleasant symptoms after eating or drinking milk or milk products.
Answer:
B. Made of different kinds of tissues
Explanation:
If a tone causes a dog to salivate because it has been associated with the presentation of food, the salivation to the tone is called a <span>conditioned stimulus.
This is because the stimulus of the salivation is associated with the presence of food, thus, food is the condition for this stimulus.</span>