People sweat to help maintain body temperature. What type of feedback happens when sweating regulates body temperature?

Answers

Answer 1

Answer: Positive feedback because sweating decreases body temperature.

I hope this helps:)

Answer 2

Answer: negative feedback, because sweating can decrease body temperature.

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If you were a researcher studying Taxol, you would be most interested in cells found in which phase of mitosis?

What do the lymphatic system and the immune system have in common?

Answers

Answer: The lymphatic system is composed of lymph vessels, lymph nodes, and organs. The functions of this system include the absorbtion of excess fluid and its return to the blood stream, absorption of fat (in the villi of the small intestine) and the immune system function.

Explanation:

This plant cell has an angular shape, unlike an animal cell, which is rounded. What two plant cell features help give this cell its shape?A) cell wall and DNA
B) cell wall and large vacuole
C) cell membrane and cytoplasm
D) cell membrane and many vacuoles

Answers

Answer:

B) cell wall and large vacuole

Explanation:

A plant cell has tough and rigid cell wall made of cellulose. Presence of cell wall imparts the plant cells a definite angular shape. The angular shape is also the result of presence of large vacuole in the center of the plant cell. The vacuole is filled with water and electrolytes and serve to determine the shape of the plant cell.

You know that there is a difference between plant cells and animals cells. The plant cells have a cytoplasm while the animal cells do not. Therefore the answer must be C.

Organic compounds do NOT contain which of the following?

Answers

Okay... glad you got it but it is good to share in case someone else needs that answer :)

In the 19th century is was assumed that organic compounds could only be produced by plants and animals. These compounds all had carbon and hydrogen in common. Some organic compounds also include O, N, the halogens, S and a few other elements.

Now we know that organic compounds can be synthesized in the laboratory. Simple compounds of carbon and hydrogen include the alkanes and alkenes, for instance, as well as aromatics like benzene. But oxygen is a common element in organic compounds like alcohols, aldehydes, ketones and ethers.

So the bottom line is that all organic compounds contain C and H and some contain O as well, but O is not required to be an organic compound.

========= Follow up ==========

Why are these people saying "yes". It's obvious that there are many organic compounds that don't contain oxygen

The purpose of a vortex instrument is to

Answers

Answer:

The vortex created is a similar form of kinetic force to stirring, but minus a component that protrudes into the sample container. A vortex is the preferred choice for a host of microbiology and life science applications with sensitive samples or high throughput operations. A typical stirrer faces several limitations – for instance, it can only mix a single sample container at a time.

Answer:

Vortex instrument is used to suspend cells that is, it is a simple device used to mix small vials of liquid in laboratories.

Maps are examples of ____ models that people might use everyday.

Answers

maps are examples of physical models

are physical observations of the real world

Why are interactions between biotic factors necessary

Answers

Answer: because the interactions between these organisms enable the cyclic flow of energy and nutrients in the ecosystem.

Explanation:

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