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Sindrei [870]
3 years ago
12

What is the first part of cell theory?​

Biology
1 answer:
Vladimir [108]3 years ago
6 0

Answer: Structure of an Animal Cell

Explanation:

The first part of the cell theory states that all living things, whether small or big, simple or complex, irrespective of species or kingdoms, are made up of either one or more than one cells. Living things or organisms that are made up of one cell are called unicellular or single-celled organisms.

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Digestion begins when
Pavel [41]

Answer:

Hi there!

Your answer is:

A. the esophagus passes food to the stomach

Explanation:

The the digestive process isn't fully about the action of digestion! The digestive process begins in your mouth, where salivary glands moisten the food to allow easier transport down the esophagus

I hope this makes sense!

6 0
3 years ago
Cells that engulf bacteria or cell debris within loose connective tissue are
gulaghasi [49]

Answer:

macrophages

Explanation:

Macrophages are a type of immune cells that function as phagocyte. They are produced by white cells called the monocytes. Upon ingestion of bacterial cells, cytotoxic compounds e.g cytokines are produced that digest the bacteria.

The macrophages are activated by the presence of microbes in the blood. They activate antigen T presenting cells to produce cytokines that further destroy the engulfed bacteria.

4 0
3 years ago
Iodine directly helps which of the following glands to function properly?
masya89 [10]

Answer:

The correct answer is C. Iodine directly helps the thyroid gland to function properly.

Explanation:

Iodine is essential for our thyroid hormones to function properly, and in turn, our body.

Thyroid hormones have vital functions such as regulating energy metabolism and nutrients such as proteins, carbohydrates and fats. They also affect tissue growth, especially the nervous; They also participate in the regulation of body temperature.

That is why the adequate supply of iodine contributes to the normal functioning of the thyroid, but if it is excessive it can cause health problems such as hyperthyroidism; and if its contribution is too low, it can cause hypothyroidism or even irreversible consequences if this deficit is severe or occurs, for example, in pregnancy, lactation or first year of life.

4 0
3 years ago
Does anyone know the answer above
storchak [24]
The answer is c since a coccus is any spherical or roughly spherical bacterium.
8 0
3 years ago
Cellular respiration refers to ...
Nostrana [21]
The answer is D. Breathing.
6 0
3 years ago
Read 2 more answers
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