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snow_lady [41]
4 years ago
11

What part of the brain controls breathing and heart rate?

Biology
1 answer:
Novosadov [1.4K]4 years ago
5 0

Answer:

B. Brain stem

Explanation:

The brain stem controls basic body functions such as breathing, swallowing, heart rate, blood pressure, consciousness, and whether one is awake or sleepy.

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How is a car polluting the earth and making us sick
denis23 [38]

Answer:

Car pollutants cause immediate and long-term effects on the environment.

Explanation:

Car exhausts emit a wide range of gases and solid matter, causing global warming, acid rain, and harming the environment and the health of living organisms, like humans.

Long-term exposure to polluted air can have permanent health effects such as:

  • Accelerated aging of the lungs.
  • Loss of lung capacity and decreased lung function.
  • Development of diseases such as asthma, bronchitis, emphysema, and possibly cancer.

Hope it helps answer the question:)

5 0
3 years ago
Four genes (A, B, C, D) are on the same chromosome in the sequence D, A, B, C. The distance between A and B is 4 map units, betw
sweet-ann [11.9K]

Answer:

7%.

Explanation:

The recombinant progeny might occur due to the exchange of genetic material between non sister chromatids known as crossing over during the meiosis.

The chromosome sequence is DABC. A and B distance is 4 map units,  B and C is 2 map units,  B and D is 5 map units. The distance between A and D is 1 map unit that can be calculated by subtracting the distance between BD and AB ( 5-4). The CD map distance can be calculated by adding the distance between AD, AB and BC ( 1 + 4+ 2). The recombination frequency is equal to distance between them is 7%.

Thus, the answer is 7%.

8 0
3 years ago
Cell riddles<br> I will give thanks, 5 stars, and brainliest if you get them correct!
Over [174]
1. Cytoplasm (Cytosol)
2. Nucleolus
3. Cell Membrane
4. Mitochondrion
5. Central Vacuole
6. Chloroplast
7. Lysosomes
8. Ribsomes
9. Chromosomes
10. Nucleus
11. Endoplasmic Reticulum (ER)
12. Cell Wall
13. Golgi Apparatus
:)

3 0
3 years ago
The rock cycle is an example of the conversation of
Pepsi [2]

The rock cycle is an example of matter

5 0
3 years ago
What fat measurement corresponds to low-fat ice cream?.
Mamont248 [21]
Low-fat (1 percent) ice cream has three grams or less of fat.

Hope this help
8 0
3 years ago
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