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mrs_skeptik [129]
3 years ago
12

The filtering units found in the kidneys that are responsible for urine formation are called:

Biology
1 answer:
sesenic [268]3 years ago
5 0
I believe it's E. Nephrons
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Explain how it is possible for nutrients to be transported to the cells of a flatworm with no circulatory system.
Alisiya [41]

Answer:

Flatworms are beings that do not have a heart, veins, arteries, capillaries, hemolymph, or some type of circulatory fluid. Their circulation occurs between cells or intercellularly and they are responsible for transporting substances by diffusion from cell to cell.

Explanation:

Flatworms are considered multicellular eukaryotic organisms. This implies that in their cells they have a cellular nucleus, in which the DNA is contained, structuring the chromosomes. Likewise, they are made up of several types of cells, each one specialized in a specific function. They lack a structured circulatory system as such. Because of this they do not have specialized structures such as a heart or blood vessels, however, the circulation of certain substances is established between their cells. This is done thanks to the diffusion process. Substances pass from one cell to another through this process.This does not apply to all flatworms, since in some species of bog and digenae there is a certain organization and some very small conducting vessels known as the endolymphatic system, the which forms a kind of plexus in the parenchyma.It should also be noted that some species do not even have a digestive system, being the digestive tract the one in charge of digestive functions and the distribution of the nutrients they receive.

5 0
3 years ago
Jim's heart rate was monitored during periods of exercise and periods of rest. The graph shows the result of one 50-minute
DaniilM [7]

Answer:

The correct answer is "Jim’s heart rate decreased quickly after 30 minutes since he is in good shape".

Explanation:

I attached the missing graph and the missing options of this question are:

Jim’s heart rate was 60 beats per minute at the start of the test.

Jim’s maximum heart rate during the test was 140 beats per minute.

Jim’s heart rate increased steadily as he continued exercising.

Jim’s heart rate decreased quickly after 30 minutes since he is in good shape.

The correct answer is "Jim’s heart rate decreased quickly after 30 minutes since he is in good shape".

While the first two statements are correct, since they point out data from the graph, the only statement that makes an inference based on the information of the graph is the last one. An inference is a conclusion that was reached base on evidence. In this case, the inference is that Jim is in good shape, and the evidence that was used to reach this conclusion is that his heart rate decreased quickly after 30 minutes.

5 0
3 years ago
Read 2 more answers
Bile ________. bile ________. is a digestive enzyme that hydrolyzes lipids is a digestive enzyme that hydrolyzes lipids, is an i
Katarina [22]

Answer:

Emulsifies fat, keeping tiny fat droplets suspended in the aqueous contents of the gut

Explanation:

  • Bile emulsifies fat, keeping tiny fat droplets suspended in the aqueous contents of the gut.
  • Bile juice is a fluid that is secreted from the liver and stored in the gall bladder. The juice helps in the emulsification of fats or break down of fats into simple fat droplets.
  • The simple fat droplets from emulsification can then be absorbed in the small intestines through the lacteal.
6 0
3 years ago
Low levels of ________ may indicate that a woman's ovaries are beginning to fail.
AURORKA [14]
Low levels of estrogen is a sign that the ovaries of a woman are beginning to fail.  This is a common occurrence when one is at menopausal stage. Estrogen and progesterone naturally decrease and eventually stops the menstrual cycle. Hope this helped.
3 0
3 years ago
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Which organelle modifies cell products, packages them for distribution, and then may turn into vesicles and bubble off the surfa
hram777 [196]
The Golgi Apparatus does this
8 0
3 years ago
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