HIV<span> (</span>human immunodeficiency virus<span>) is a virus that attacks the immune system, the body's natural defense system. Without a strong immune system, the body has trouble fighting off disease. Both the virus and the infection it causes are called </span>HIV<span>. White blood cells are an important part of the immune system.
and also
</span>The virus can be transmitted through contact with infected blood, semen, or vaginal fluids.Within a few weeks of HIV infection, flu-like symptoms such as fever, sore throat, and fatigue can occur. Then the disease is usually asymptomatic until it progresses to AIDS. AIDS symptoms include weight loss, fever or night sweats, fatigue, and recurrent infections.No cure exists for AIDS, but strict adherence to anti-retroviral regimens (ARVs) can dramatically slow the disease's progress as well as prevent secondary infections and complications.
B,D letters in the image represent the heart's ventricles. thus option D is correct.
<h3>What are the parts of the heart?</h3>
The left atrium, right atrium, and two lower chambers known as the left and right ventricles make up the four chambers that make up the heart. The tricuspid, pulmonary, mitral, and aortic valves are among its four valves.
The ventricle is one of two sizable chambers at the base of the heart that gather and discharge blood to the lungs and peripheral beds of the body. An atrium, a nearby chamber in the upper heart that is smaller than a ventricle, provides the blood pumped by a ventricle.
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Answer:
The can cause death by infection and rotting in the body
Any of various sustained exercises, as jogging, rowing, swimming, or cycling, that stimulate and strengthen the heart and lungs, thereby improving the body's utilization of oxygen.
Answer: 3.
Explanation:
This method would be described as a correlational design.
Correlational study and design is considering a type of research where researchers are looking to understand and describe the correlation between types of relationship and what they have with one another.
Since parents from the question are looking to compare the home behavior of the children with behavior at the playground, they are using this type of method.
