Answer the following question given this paragraph: The body's second line of defense against pathogens includes the inflammatory response. If bacteria enter the skin through a scrape, the area may become red, warm, and painful. These are signs of inflammation. Inflammation is one way the body reacts to infections or injuries. Inflammation is caused by chemicals that are released when skin or other tissues are damaged. The chemicals cause nearby blood vessels to dilate, or expand. This increases blood flow to the damaged area, which makes the area red and slightly warm. The chemicals also attract white blood cells called neutrophils to the wound and cause them to leak out of blood vessels into the damaged tissue. Q: The body's second line of defense against pathogens includes which response? Choices: - reaction - anxiety - blood - inflammatory A:
inflammatory
Answer the following question given this paragraph: Another sign of a species' state of health is the density of its populations. Population density is the average number of individuals in a population for a given area. Density is a measure of how crowded or spread out the individuals in a population are on average. For example, a population of 100 deer that live in an area of 10 square kilometers has a population density of 10 deer per square kilometer. Q: What is the term for the average number of individuals in a population for a given area? Choices: - result density - population structure - Area Density - population density A:
population density
Q: Answer the following question given this paragraph: Physical properties that do not depend on the amount of substance present are called intensive properties . Intensive properties do not change with changes of size, shape, or scale. Examples of intensive properties are as follows in the Table below . Q: What are physical properties that do not depend on the substance present called? Choices: - extensive properties - multilateral properties - internal properties - intensive properties A:
A: intensive properties
Question: Answer the following question given this paragraph: Some animals communicate with scent. They release chemicals that other animals of their species can smell or detect in some other way. Ants release many different chemicals. Other ants detect the chemicals with their antennae. This explains how ants are able to work together. The different chemicals that ants produce have different meanings. Some of the chemicals signal to all of the ants in a group to come together. Other chemicals warn of danger. Still other chemicals mark trails to food sources. When an ant finds food, it marks the trail back to the nest by leaving behind a chemical on the ground. Other ants follow the chemical trail to the food. Q: What part of the body do ants use to detect chemicals? Choices: - thorax - fins - eyes - antennae A:
Answer: antennae
*Question*
Answer the following question given this paragraph: human body system that includes the skin, nails, and hair. Q: What is the largest human organ? Choices: - stomach - brain - lungs - skin A:
**Answer**
skin
(Question)
Answer the following question given this paragraph: Osmosis is the diffusion of water molecules across a semipermeable membrane and down a concentration gradient. They can move into or out of a cell, depending on the concentration of the solute. Q: What is the diffusion of water molecules across a semipermeable membrane? Choices: - organelle motion - electrolysis - active transport - osmosis A:
(Answer)
osmosis