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Hoochie [10]
3 years ago
15

The human cardiovascular system is considered closed because __________.

Health
2 answers:
Levart [38]3 years ago
6 0

Answer:

There are no holes for blood to enter or leave the system

Mandarinka [93]3 years ago
3 0
Vertebrates, and a few invertebrates, have a closed circulatory system. Closed circulatory systems have the blood closed at all times within vessels of different size and wall thickness. In this type of system, blood is pumped by a heart through vessels, and does not normally fill body cavities.
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skelet666 [1.2K]
The three main phases of a seizure are: 
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Ictus stage, The main phase when the actual seizure happen

<span>Postictal stage, the end phase when the seizure started to end</span>
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3 years ago
What influenced the history of healthcare in the United States?​
tia_tia [17]

Late 18th century Edit
On July 16, 1798, President John Adams signed the first Federal public health law, "An act for the relief of sick and disabled Seamen." This assessed every seaman at American ports 20 cents a month. This was the first prepaid medical care plan in the United States. The monies were used for the care of sick seamen and the building of seamen's hospitals. This act created the Marine Hospital Service under the Department of the Treasury. In 1802 Marine Hospitals were operating in Boston; Newport; Norfolk; and Charleston, S.C. and medical services were contracted in other ports
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2 years ago
What disorder of consciousness has been characterized as "awake but unaware" and also has been called "hopelessly conscious"?
Dmitry [639]

Answer:

Vegetative state

Explanation:

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8 0
3 years ago
Describe what oxidative stress is. Provide three examples of how our bodies can be exposed to oxidative stress. Also, describe t
NNADVOKAT [17]

Oxidative stress is an imbalance between the production of free radicals (highly unstable molecules that are naturally formed when you exercise and when your body converts food into energy) and the ability of the body to counteract or detoxify their harmful effects through neutralization by antioxidants. Antioxidants such as thiols or ascorbic acid prevent free radicals forming due to oxidation. Some ways our bodies can be exposed to oxidative stress are by having an unbalanced diet, smoking, or sun exposure. Some ways to prevent oxidative stress are having a healthy diet, not smoking, exercising regularly and wearing sunscreen.

3 0
3 years ago
Which of the following statements BEST describes the way to make a good decision?
Snowcat [4.5K]

Answer:

B

Explanation:

B.

Make a decision based on the evaluation of consequences involving you and others and take action accordingly.

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2 years ago
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