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quester [9]
4 years ago
13

Which describes how physical activity benefits the cardiovascular system?

Health
1 answer:
grigory [225]4 years ago
5 0

B the cardiovascular system is closed system of the heart and blood vessels

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250 of the chemicals in tobacco are proven to cause cancer outtve 7000 total chemicals in it.
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3 years ago
PLS HELP What are the main differences between male and female body part list at least 3 for male and three for female.​
Liula [17]

Answer:

The male reproductive system consists of external organs. ... The female reproductive system primarily consists of internal organs. The female gamete, ovum, is produced in the ovaries and is released monthly to travel to the uterus via the Fallopian tubes. Another key variable in the composition of men versus women stems from the sex chromosomes, which form one of the 23 pairs of human chromosomes in each cell. Generally, females have two X chromosomes in their pair, while males have one X and one Y chromosome.

Explanation:

The male sex organs work together to produce and release semen into the reproductive system of the female during sexual intercourse. The male reproductive system also produces sex hormones, which help a boy develop into a sexually mature man during puberty. The female reproductive system includes the ovaries, Fallopian tubes, uterus, vagina, accessory glands, and external genital organs.

Hope this helps!:) dont forget to change the words a bit since i got these from sites.

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3 years ago
Which of the following situations would warrant seeking immediate help from a mental health professional?
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Answer:

C. Your cousin suddenly becomes withdrawn and hostile to you, even though you used to be close. She has a new group of friends, and you've heard rumors that they are drug abusers.

Explanation:

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Mark has an immune system disease that results from infection with HIV. Which acronym describes Mark’s disease?
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What side of the body is the heart on
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Left

Explanation:

5 0
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Read 2 more answers
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