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tiny-mole [99]
3 years ago
10

PLS ANSWER FAST WILL GIVE BRAINLY!!!!!!

Biology
1 answer:
Pachacha [2.7K]3 years ago
7 0

Answer:

Plant cells have a cell wall, chloroplasts and other specialized plastids, and a large central vacuole, whereas animal cells do not.

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Physical barriers that help prevent an individual from contracting diseases include __________. a. white blood cells, enzymes, t
Nostrana [21]

Sweat, tears, skin, and mucous membranes are among the physical defenses that keep a person from being sick.

<h3>What causes infectious diseases?</h3>

Coming into contact with a person or an animal who has the virus is one of the most straightforward ways to obtain the most contagious or infectious diseases. Direct contact, such as person-to-person contact, can transfer contagious diseases. Direct transmission of bacteria, viruses, or other germs from one person to another is the primary method by which contagious diseases are typically disseminated. If someone who is unaffected touches, kisses, coughs, sneezes, or has the virus or bacterium on them, this could happen. Additionally, these pathogens can disperse through sexual contact and the exchange of bodily fluids. The person who spreads the infection may only be a carrier and not exhibit any signs of the illness.

To know more about infectious diseases, visit:

brainly.com/question/13327723

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4 0
2 years ago
Which atom is involved in giving your heart energy to beat?
zhannawk [14.2K]

The answer is oxygen

6 0
3 years ago
Read 2 more answers
Most absorption of food occurs in the:
algol13

Answer:

Small intestine

Explanation:

It is in the small intestine where most food absorption occurs. Specifically, in the jejunum and the ileum. This is the site where nutrient absorption takes place too. Some water is also absorbed here, but the one mainly in charge of that is the large intestine.

5 0
3 years ago
Amoebas and euglenas can protect themselves from unfavorable conditions with a _____.
Papessa [141]

<em>Do not pick the other answer, it is incorrect!</em>

The correct answer is:

Cyst

3 0
3 years ago
How are red blood cells able to move through narrow vessels to carry oxygen throughout a multicellular organism? (1 point) a)The
geniusboy [140]

Answer:

The correct answer is - option B. They are small because they lack a nucleus.

Explanation:

Red blood cells or erythrocytes are specialized cell that produce in bone marrow and have specific role such as carrying oxygen from lungs to deliver it to the various organs and carry out carbon dioxide.

In mammals these cells lack cell organelles such as nucleus and mitochondria, a major factor that determined its smaller size. The size of RBC are move through narrow vessels throughout a organism because of its specific size and shape that provide it space for hemoglobin and allow to be flexible and bend to move through narrow vessels.

Thus, the correct answer is : option B. They are small because they lack a nucleus.

8 0
3 years ago
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