This is true. A cell is the smallest unit of living matter, the basic unit of life. In multicellular organisms such as man, cells make up every tissue, organ, and organ system in the body. Man is organized in cells, tissues, organs and organ systems.
Cells work together in groups known as tissues. A tissue, be it plant or animal tissue, is defined as a group of similar cells working together to carry out a certain task.
Tissues in turn are grouped together to form organs and organs are organized to into organ systems to carry out specific functions in the body.
All these is possible because of the cell, the very basic unit from which all living matter is made.
The smallpox vaccine does not protect against monkeypox.
Nicotine is With the advent of nicotine replacement therapy, the consumption of the nicotine is on the rise. Nicotine is considered to be a safer alternative of tobacco. The IARC monograph has not included nicotine as a carcinogen. However there are various studies which show otherwise. We undertook this review to specifically evaluate the effects of nicotine on the various organ systems. A computer aided search of the Medline and PubMed database was done using a combination of the keywords. All the animal and human studies investigating only the role of nicotine were included. Nicotine poses several health hazards. There is an increased risk of cardiovascular, respiratory, gastrointestinal disorders. There is decreased immune response and it also poses ill impacts on the reproductive health. It affects the cell proliferation, oxidative stress, apoptosis, DNA mutation by various mechanisms which leads to cancer. It also affects the tumor proliferation and metastasis and causes resistance to chemo and radio therapeutic agents. The use of nicotine needs regulation. The sale of nicotine should be under supervision of trained medical personnel.
<span>Getting in shape isn't too hard. On the off chance that you make a calorie deficiency, the pounds will fall off. When you consume a greater number of calories than you eat, your body swings to fat saves compensate for any shortfall and after some time, you get skinnier.</span>
Answer:
improving yields
Explanation:
Demographic trends aim to show expectations about a region's population dynamics. This is very important for governments, which can use data from these frequencies to plan projects that will reduce the needs of the population and the region in the future. These trends are also important for the agricultural and industrial sector of a region, because it can provide information on which products may be more or less successful in society and thus allow industries and farmers to formulate plans that increase their income and save their business.
