Answer:
Innate immunity
Explanation:
Innate immunity refers to nonspecific defense mechanisms that come into play immediately or within hours of an antigen's appearance in the body. These mechanisms include physical barriers such as skin, chemicals in the blood, and immune system cells that attack foreign cells in the body.
1. Carbon dioxide is released
2. Gaseous exchange occurs in the alveoli
3. The oxygen supply is adequate
4. Oxygen is used less effectively
If the * marks indicated your answers, then they are all correct.
Answer:
Red hand-held flares can be used by day, but are most effective at night or in restricted visibility such as fog or haze
Explanation:
Only Coast Guard or SOLAS flares are acceptable for use on recreational boats. When selecting such flares look for the Coast Guard approval number and date of manufacture.
Answer: Yes, your food choices should include many foods that are nutrient dense.
Explanation:
Nutrient dense foods are more healthy and add more nutrition to your diet than eating foods with more calories. Energy dense foods will add more calories and may cause weight gain, but nutrient dense will help lower calories and give the person all the nutrients needed for a healthy body.
Some of the best nutrient dense foods are; eggs, oily fish, what, quinoa, oils, seeds, and nuts. In addition to getting the most nutrients, the body will also receive more vitamins and lower cholesterol.
