Answer:
Today, drug-resistant infections are a serious threat to people's health. Hundreds of thousands of lives are lost every year because of infections that can no longer be treated with existing drugs. Discovering new antibiotics, able to kill drug-resistant bacteria, is essential to saving modern medicine.
Answer: The hair-like bristles <em>sense touch.</em>
Explanation: This is important because it would be difficult for nerves on the body wall to sense touch through the rigid exoskeleton
Inside our body, millions of nephrons in the kidney filter wastes in 2 steps. Each nephron has a glomerulus and a tubule. Waste filtering undergoes 2 steps:
First, fluid and waste pass through the glomerulus but, proteins, blood cells, and other large molecules are prevented from passing through. Second, the filtered fluid passes through the tubule wherein the filtered wastes are removed; minerals are sent back to the body, and the remaining output becomes urine.
Answer:
Mouth
Explanation:
Digestion is the breakdown of food into small pieces that the body can absorb and use. Similarly, the process of digestion begins in the mouth by chewing (mastication). Thus, secretion of the saliva by the salivary gland dissolves some the chewed food and facilitates its passage through the digestive tract.