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Kaylis [27]
4 years ago
14

The body is protected against harmful flu viruses by

Biology
1 answer:
trapecia [35]4 years ago
7 0

The immune system:

It is the part of the body that fights back disease

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when a tall plant is crossed with a short plant some of the offspring are short. what are the genotypes of the parents?
o-na [289]

If the tall plant is heterozygous (T,t) the genotypes would be Tt,Tt,tt,tt.

If the tall plant is homozygous (T,T) the genotypes would be Tt,Tt,Tt,Tt.

hope that helps :)

5 0
3 years ago
What is the primary function of the endocrine system
harkovskaia [24]

Answer:

To maintain body homeostasis

Explanation:

The endocrine system consists of the endocrine glands that release hormones directly int the blood. Those hormones bind to their receptors on the target cells and thus regulate their function. The major glands are:

pineal gland-releases melatonin, controls sleep cycle

pituitary gland-control growth, blood pressure, thyroid glands and metabolism etc.

pancreas-secretes insulin and glucagon, control of blood sugar levels

ovaries, testes-reproductive role (release female and male hormones)

thyroid gland-controls metabolism and protein synthesis

parathyroid gland-controls Ca levels

hypothalamus-connects nervous and endocrine systems, controls other glands

adrenal glands-release adrenalin and steroid hormones.

6 0
3 years ago
Phloem sap can flow A. from leaves to shoots only B. from shoots to leaves only C. from sites of sugar production to storage uni
Ymorist [56]

Between production and storage locations, phloem sap can flow in both directions.

<h3><u>Phloem sap: what is it?</u></h3>

Phloem sap, which is mostly dissolved in water, is made up of minerals, hormones, and carbohydrates. It moves from where carbohydrates are produced or stored (the sugar supply) to where they are consumed (sugar sinks).

The pressure flow idea suggests a mechanism for phloem sap transport notwithstanding the availability of competing theories. It is believed that phloem sap from vascular plants facilitates the transmission of informational impulses.

Phloem sap is consumed as the only or main source of food by a relatively small range of animals. It is "nutrient-rich relative to many other plant products and typically low in toxins and feeding deterrents."

Learn more about phloem sap with the help of the given link:

brainly.com/question/13791103

#SPJ4

3 0
2 years ago
What does veritable mean?<br> a. truthful <br> b. really<br> c. genuine<br> (please help)
Norma-Jean [14]

Answer:

It would be A. Truthful

Explanation:

The direct definition is used as an intensifier, often to qualify a metaphor. But if you look at the synonyms you can see a few such as, true · accurate · correct. Hope this helps :) 

5 0
3 years ago
What is the main use of freshwater worldwide?
Georgia [21]

Answer:

industrial

Explanation:

8 0
3 years ago
Read 2 more answers
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