Answer:
Explanation:
infectious diseases can spread in a variety of ways: through the air, from direct or indirect contact with another person, soiled objects, skin or mucous membrane, saliva, urine, blood and body secretions, through sexual contact, and through contaminated food and water.
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Answer:
Originally, the distinction was based on morphological differences. However, it soon became that some types of organisms had different forms at various stages in their lives, here is why
Explanation:
changed genes is passed on to the next generation. Most mutations are bad, but some of them make the organism more successful in its life. Organisms that inherit that favorable new gene are likely to become more abundant than others of the species. (geologic times)
Answer:
Saturated fats contain only single carbon bonds in the carbon chain
Explanation:
The major organ of the circulatory system that causes blood to flow through the body by its pumping action is the heart.
Answer:
Digestion is the process of breakdown of the large food particles into the small substances and absorbed by the body. The digestive enzymes and digestive juices are required for the digestion.
The Marisol digestive system is not working although she swallow her food. This may affect her exercise as the cells are not able to get work. The food particles are not broken down and absorbed by the cells, This causes the energy deficiency in her cells and she is not able to do normal physical work properly.
