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Natasha_Volkova [10]
3 years ago
11

I.Name two heart diseases in humans.ii.State three causes of heart diseases.​

Biology
1 answer:
Ostrovityanka [42]3 years ago
3 0

Answer:

Arrhythmia

Atherosclerosis

Common causes of heart diseases

Diabetes.

Drug abuse.

Excessive use of alcohol or caffeine.

High blood pressure.

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Aliun [14]

The number of chromosomes does not correlate with the apparent complexity of an animal or a plant:

in humans, for example, the diploid number is 2n = 46 (that is, 23 pairs), compared with 2n = 78, or 39 pairs, in the dog and 2n = 36 (18) in the common earthworm.

4 0
3 years ago
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Which plant part is the source of chilli used as spices? A) Stem. B) Root. C) Seed.
Natali [406]

Answer:

I suppose it would be the seed.

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Jose and Fran MUST follow specific safety procedures when heating water with a Bunsen burner. The safety procedures include
8_murik_8 [283]
The following are some common procedures that we should take action of when using a bunsen burner to ensure our safety:

1. Wear safety goggles. Tie up long hair and school ties if needed. This can lower the risk of catching on fire. Put a heatproof mat underneath the Bunsen burner, put a tripod and the beaker of water for heating on top of the burner.

2. Close the air hole. Before we start up the burner, the air hole must be closed or green flame (striking back) may occur 

3. light up a match or a lighter. Put it over the chimney. 

4. Turn on the gas tap, you should be able to see a yellow flame now. Remove the lighter or match and open the air hole. We should have a blue flame by now. 

5. the water should start to heat up. Never touch the hot beaker with bare hands.

6. When the water is heated up to the temperature they wanted to, it's time to close the air hole and turn off the gas tap. 

7. If they need to move the hot beaker, use heat protection gloves 

These should be the correct procedures that they should follow in order to heat the water safely. 

Hope it helps!



4 0
3 years ago
Wjy do we need plants​
Ann [662]

Answer:

Plants are really important for the planet and for all living things. Plants absorb carbon dioxide and release oxygen from their leaves, which humans and other animals need to breathe. Living things need plants to live - they eat them and live in them. Plants help to clean water too.

Explanation:

hope i helped also plz mark as brainliest

5 0
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The rhythmic, wavelike motion produced by smooth muscles in tubular visceral organs is called _______.
castortr0y [4]

Answer:

Peristalsis

Explanation:

This motion is to facilitate the movement of food to the mouth to the stomach and helps food travel from the small intestine to the rectum

6 0
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