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dsp73
3 years ago
11

Function of hair erecter muscles? your points has to be of 10 marks to get a brainiest

Biology
1 answer:
Natasha_Volkova [10]3 years ago
8 0

Answer:  a tiny muscle connected to each hair follicle and the skin. When it contracts it causes the hair to stand erect, and a "goosebump" forms on the skin.

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How do the four types of tissues help support the function of the heart?
Alekssandra [29.7K]

Answer:

Explanation:

Epithelial tissue-is the sheet of cells that cover exterior surfaces of the body lines internal cavities and passageway and forms certain glands

Connective tissue-it binds the cells and organs of the body together and function in the protection, support and integration of all parts of the body

Muscle tissue- it responds to stimulation and contracting to provide movement and it's occurs as 3types; skeletal,smooth and cardiac muscle in the heart

Nervous tissue-it allows the propagation of electrochemical signals in the form of nerve impulses that communicate between different regions of the body

5 0
3 years ago
Explain how phospholipids form cell membranes.
dem82 [27]

Answer:

Phospholipids are able to form cell membranes because the phosphate group head is hydrophilic (water-loving) while the fatty acid tails are hydrophobic (water-hating). They automatically arrange themselves in a certain pattern in water because of these properties, and form cell membranes.

Explanation:

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3 years ago
A specific type of physical change is a _________ change.
Bezzdna [24]
A specific type of physical change is a phase change

7 0
3 years ago
¿Cuál de las siguientes opciones son adaptaciones de las plantas al desierto? a) Las raíces superficiales y extensas. b) Las hoj
IrinaVladis [17]

Answer:

a) Las raíces superficiales y extensas

c) El cuerpo carnoso de las plantas

d) Las hojas modificadas en forma de espina

Explanation:

En biología, una adaptación refiere al proceso de cambio evolutivo mediante el cual los organismos de una especie/taxón hacen frente a determinadas condiciones ambientales. Las plantas han desarrollado diferentes adaptaciones en ambientes desérticos a fin de evitar al máximo la pérdida de agua, el factor más limitante en este tipo de ambientes. Las plantas capaces de soportar largos periodos de sequías se denominan xerófitas. En primer lugar, además de servir como una buena defensa contra herbívoros, las hojas en forma de espina le permiten a una planta almacenar agua durante los períodos de precipitaciones. En segundo lugar, las raíces de plantas desérticas pueden disponerse superficialmente con el objetivo de absorber la mayor cantidad de agua posible. En tercer lugar, las plantas suculentas o crasas son aquellas que tienen tejidos carnosos los cuales pueden almacenar agua en sus hojas, tallos o raíces. Durante los periodos de lluvia leve, las suculentas almacenan grandes cantidades de agua para sobrevivir durante la temporada seca (incluso existen especies vegetales que sobreviven solamente durante la temporada húmeda y producen semillas que toleran la temporada seca).

3 0
3 years ago
Can someone help me with a summary of asexual and sexual reproduction summary?
fenix001 [56]

Answer:

Asexual reproduction is when the parent reproduces without having any sexual contact with a partner and they don't need any kind of fertilization from another partner, sexual reproduction requires both a male and female partner, and fertilization of eggs must occur.

4 0
3 years ago
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