HEALTH HIGH SCHOOL

Exercise benefits the cardiovascular system.
true or False

Answers

Answer 1
Answer: True. The cardiovascular system, or circulatory system, circulates blood through the body. Exercise enables this system to move freely.
Answer 2
Answer: true because it not only exercises the heart but also the cardiac muscle making it stronger and more durable

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Compare marijuana and tobacco in terms of carcinogens.

Answers

Answer:

Marijuana smoke and tobacco smoke share many of the same carcinogens, including toxic gases, reactive oxygen species, and polycyclic aromatic hydrocarbons. In fact, marijuana smoke contains several of the same cancer-causing agents (carcinogens) as tobacco but in higher amounts. This raises the concern that smoking marijuana may be a risk factor for cancer. However, most of the studies have not found a strong link to cancer. This is more likely due to the small size of the studies and the difficulties mentioned above when studying marijuana use. Researchers agree that there is most likely some cancer-causing effect to smoking marijuana, but they have not been able to capture this in numbers with clinical studies yet.

Final answer:

When comparing marijuana and tobacco in terms of carcinogens, tobacco contains numerous carcinogens, including nicotine, formaldehyde, benzene, and tar, which increase the risk of developing various types of cancer. Marijuana contains fewer carcinogens compared to tobacco, but its smoke still contains harmful chemicals that can contribute to respiratory issues and potentially increase the risk of cancer.

Explanation:

When comparing marijuana and tobacco in terms of carcinogens, it is important to note that both substances have different chemical compositions and contain varying levels of harmful chemicals.

Tobacco, which is commonly found in cigarettes, contains numerous carcinogens. These include nicotine, formaldehyde, benzene, and tar. These substances are known to increase the risk of developing various types of cancer, such as lung, throat, and mouth cancer.

On the other hand, marijuana contains fewer carcinogens compared to tobacco. However, it is still important to be aware that marijuana smoke does contain harmful chemicals, such as benzene and tar. These chemicals can contribute to respiratory issues and potentially increase the risk of developing cancer.

It is worth mentioning that the long-term effects of marijuana smoke on cancer risk are still being studied. More research is needed to fully understand the relationship between marijuana use and cancer.

Learn more about comparison of marijuana and tobacco in terms of carcinogens here:

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Which one of the following choices best represents a way to improve your posture? A. Distribute your weight evenly on both hips when sitting, with shoulders back and back straight. B. Keep back slightly bent and knees straight when lifting. C. Lie flat on your back with a pillow under the back of your neck when sleeping. D. Keep feet together when lifting and use back muscles to lift.

Answers

Your answer is A, Distribute your weight evenly on both hips when sitting, with shoulders back and back straight.
B. Keep back slightly bent and knees straight when lifting
is wrong as u need to bend ur knees when lifting

C. Lie flat on your back with a pillow under the back of your neck when sleeping
is okay but there could be other sleeping postures

D. Keep feet together when lifting and use back muscles to lift
is wrong as u should use leg muscles instead.

so the best ans is  A. Distribute your weight evenly on both hips when sitting, with shoulders back and back straight.

the buildup of fatty substances such as cholesterol and saturated fats inside the artery walls results in which cardiovascular disease? A)congestive heart disease. B)atherosclerosis. C)arrhythmia

Answers

B. Atherosclerosis. The thickening and stiffening of blood vessels.

the answer is  B)atherosclerosis.

A child has been stung by a bee. Within minutes her face and tongue are swelling and she is having difficulty breathing. These signs and symptoms are associated with:

Answers

anaphylaxis - in this case, an allergic reaction to bees :(

The term, entropy, describes the disorder in a system.

Answers

This would be true. It's a measure of disorganization or disorder in a closed system.

The third trimester begins at?a. three months.
b. six months.
c. seven months.
d. nine months.

Answers

The answer is letter D.

The thirdtrimester occurs on the 9th month of pregnancy. This means that the mother isweeks away from the delivery. It is the time when mothers experience extra pressure on theirbacks, their breasts start to enlarge, and the possible breaking of theplacenta that contains the baby. It is actually the home-stretch to a pregnancyand is one of the most complicated parts of being a mother where pain and uneasinessare extremely felt by a child-bearing mother. 
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