Answer:
13. D
14. False
15. C (If I remember correctly)
Answer:
Virus
Explanation:
Viruses are even smaller than bacteria and require living hosts — such as people, plants or animals — to multiply. Otherwise, they can't survive. When a virus enters your body, it invades some of your cells and takes over the cell machinery, redirecting it to produce the virus.
Answer:
1- It allows to fulfill the cycle of the life According to the cycle of life, all organisms are born, reproduce and die. In this sense, reproduction is an element relevant to the cycle of life because it allows the birth of new individuals, which will then be reproduced giving rise to other individuals, and so on. 2- Guarantees the next generation
Explanation:
The formula to get the maximum heart rate calculation is 220 - age. So, if someone is 47 years old, their average max. heart rate would be 220 – 57 = 163
The nervous system takes in information through our senses, processes the information and triggers reactions, such as making your muscles move or causing you to feel pain. For example, if you touch a hot plate, you reflexively pull back your hand and your nerves simultaneously send pain signals to your brain.