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jeka57 [31]
3 years ago
15

How do veins return blood to the heart? select all that apply?

Biology
1 answer:
Jobisdone [24]3 years ago
6 0
A relatively small blood pressure gradient is generally insufficient to move blood through the veins under given conditions, thus venous return must be facilitated by valves within veins and two "pumps." ... As skeletal muscles contract, veins are squeezed to help propel the blood toward the heart.
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Which of the following terms would be used to indicate a patient is suffering from neuropathic pain?
Naddik [55]

Answer:

sensation and paresthesia

Explanation:

Sensation and paresthesia are the terms that would indicate a patient is suffering from neuropathic pain. Sensation is concrete, conscious experience resulting from stimulation of a specific sense organ or sensory nerve, or in the brain of an individual. Paresthesia is a type of abnormal sensation of the skin (tingling, chilling and burning etc) without any apparent physical cause in the body.

8 0
2 years ago
Fluorescent in situ hybridization (fish) can be used to determine __________. view available hint(s) fluorescent in situ hybridi
cricket20 [7]
Fluorescent in situ hybridization (Fish) is a method employing a fluorescent dye covalently bonded to a specific nucleic acid probe identifying or tracking organisms in the environment. Fluorescent in situ hybridization (fish) can be used to determine; how many salmonella typhimurium cells are present in a sample of unpasteurized apple juice, the phylogenetic diversity of an environmental sample and also whether a specific piece of mRNA is being produced.
4 0
3 years ago
What reducing sugar, or sugars, would you expect to be produced during chewing?
QveST [7]

Answer:

Benedict's Reagent: A Test for Reducing Sugars In lab, we used Benedict's reagent to test for one particular reducing sugar: glucose.

Explanation:

5 0
3 years ago
_____are needed for sexual reproduction.<br><br> Gametes<br> Pollen<br> Spores<br> Cells
muminat

Answer:

Gametes

Explanation:

Gametes are sex cells.

8 0
3 years ago
Refer to Infographic below. On the Galápagos Islands, the finches that Darwin studied tended to have either small beaks or large
adoni [48]

Answer:

Disruptive selection

Explanation:

According to the infographic that is attached below showing different the three main types of selection that occurs as a result of natural selection taking its course on any population, we can draw our conclusion regarding the information given to us from the question.

From the question above, it states that the finches studied by Darwin are majorly finches with either small beak or large beak which are all adapted to suit the type of food available for the finches in the islands. Whereas, finches with intermediate beaks are favored against.

According to the infographic, disruptive selection can be said to have taken place as extreme traits are favored against intermediate traits on the islands.

5 0
2 years ago
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