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SVEN [57.7K]
3 years ago
6

1. What do epidemiologists study?

Biology
2 answers:
svet-max [94.6K]3 years ago
6 0
The study of the distribution and determinants if health-related states and events in specific populations
bezimeni [28]3 years ago
6 0
A, risk factors of different diseases
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Which of the following statements about the small intestine is false?A. The inside of the small intestine is called the lumen.B.
Gnesinka [82]

Answer:

Microvilli are lined with blood vessels as well as lymphatic vessels.

Explanation:

The small intestine is one of the most important part of the body. This is the main site of digestion and absorption of food in the body. The three main parts of small intestine - dedenum, jejenum and ileum.

The small intestine has both villi and microvilli in its structure. These villi helps in increase in the surface area for absorption. Microvilli are lined with the blood vessels only and not with the lymphatic vessel. This vessels are directly connected to the hepatic portal system.

Thus, the correct answer is option (C).

3 0
3 years ago
Which of the following best describes the information presented in this Punnett square?
Rasek [7]
The Punnett square is a diagram that is used to predict an outcome of a particular cross or breeding experiment. It is named after Reginald C. Punnett, who devised the approach. The diagram is used by biologists to determine the probability of an offspring having a particular genotype. The Punnett square is a tabular summary of possible combinations of maternal alleles with paternal alleles. These tables can be used to examine the genotypic outcome probabilities of the offspring of a single trait (allele), or when crossing multiple traits from the parents. The Punnett Square is a visual
6 0
3 years ago
What is not true about the process pictured
Maurinko [17]
There is no process pictured.....
5 0
3 years ago
Question in link below.
bezimeni [28]

The correct answer is - They supply the energy needed for living processes.

Both the carbon and the nitrogen, are gases that are crucial for the survival of the organisms on the planet. They are mostly used by the producers in the ecosystems, as they need them to manage to perform their cycles, get nutrition, and of course energy. The producers are the basis of the ecosystems, so if they do not have a healthy supply of carbon and nitrogen, the ecosystems on the whole planet will collapse. The carbon and the nitrogen later go from one organism to another as the energy is transferred, and usually end up back into the atmosphere again.

4 0
3 years ago
What is a group of cells that can do certain things as group called​
love history [14]

Answer:

Tissue

Explanation:

The levels of organization go as follows:

Atom - the building blocks of all living and nonliving material

Molecule - two or more atoms that join together in chemical bond

Organelle - two or more molecules working together to perform a particular function in a cell

Cell - the smallest unit that exhibits all of the characteristics of life

<u>Tissue - two or more cells that work together to perform a particular function</u>

Organ - two or more tissues that work together to perform a particular function

Organ System - two or more organs that work together to perform a particular function

Multi-Celled Organism - two or more organ systems that work together

5 0
3 years ago
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