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bagirrra123 [75]
3 years ago
9

What keeps the blood flowing in one direction?

Health
1 answer:
EleoNora [17]3 years ago
7 0

Answer:With this system, blood always flows in only one direction inside the heart. There are also valves at the bottom of the large arteries that carry blood away from the heart: the aorta and the pulmonary artery. These valves keep the blood from flowing backward into the heart once it has been pumped out.

Explanation:

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8.
xz_007 [3.2K]

Answer: d

The respiratory and circulatory systems bring oxygen and nutrients to the cells. The respiratory and circulatory systems work together to maintain homeostasis. The respiratory system moves gases into and out of the blood. The lungs contain the bronchi, bronchioles, and alveoli.

Explanation:

3 0
3 years ago
Activity 1 think of any programs you know about non-communicable disease (ncd). write down words or phrases that associates with
amm1812

The word Non - communicable disease refers to the group of disorders or diseases which are non contagious or non infectious .

As non-communicable disease occurs due to genetic , environmental , physiological or lifestyle changes these are not passed from person to person, so these lasts for a longer period of time (chronic diseases) . Examples of these type of conditions are : diabetes , Alzheimer , cancers , asthma or any mental health conditions and respiratory diseases . These diseases can be aggravated by tobacco or cigarette use , unhealthy diets and sedentary lifestyle (physical inactivity ).

For more information on non-communicable diseases :

brainly.com/question/24400560

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5 0
2 years ago
What are health benefits of orange?<br>​
Artyom0805 [142]

Answer:

Nutrients in oranges are plentiful and diverse. The fruit is low in calories, contains no saturated fats or cholesterol, but rich in dietary fiber, pectin. Pectin, by its virtue as a bulk laxative, helps protect the mucosa of the colon by decreasing its exposure time to toxic substances as well as by binding to cancer-causing chemicals in the colon. By binding to bile acids in the colon, pectin has also been shown to reduce blood cholesterol levels by decreasing its re-absorption in the colon.  

Oranges, like other citrus fruits, are an excellent source of vitamin-C (provides 48.5 mg per 100 g, about 81% of DRI); Vitamin-C is a powerful natural antioxidant. Consumption of foods rich in vitamin-C helps the human body develop resistance against infectious agents and scavenge harmful, pro-inflammatory free radicals from the blood.

Orange fruit contains a variety of phytochemicals. Hesperetin, naringin, and naringenin are flavonoids found in citrus fruits. Naringenin is found to have a bioactive effect on human health as antioxidant, free radical scavenger, anti-inflammatory, and immune system modulator. This substance has also been shown to reduce oxidant injury to DNA in-vitro studies. Total antioxidant strength (ORAC) of oranges (navel variety) is 1,819 µmol TE/100 g.

Oranges also contain very good levels of vitamin-A, and other flavonoid antioxidants such as α and β -carotenes, β -cryptoxanthin, zeaxanthin and lutein. These compounds have been known to have antioxidant properties. Vitamin-A also required for maintaining healthy mucosa and skin and essential for good eyesight. Consumption of natural fruits rich in flavonoids helps human body protect from lung and oral cavity cancers.  

It is also a very good source of B-complex vitamins such as thiamin, pyridoxine, and folates. These vitamins are essential in the sense that the human body requires them from external sources to replenish.

Orange fruit also contains some amount of minerals like potassium and calcium. Potassium is an important component of cell and body fluids that helps control heart rate and blood pressure through countering pressing effects of sodium.

Explanation:

that' all I believe

7 0
3 years ago
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Use a print or online medical terminology resource or resources to identify the word parts and meanings of the lymphatic and imm
stepladder [879]

Answer:

Explanation:

Try use a dictionary.

3 0
2 years ago
Which action could result in an adolescent ineffectively managing his or her feelings?
Likurg_2 [28]
Getting less sleep :)
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