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Yuliya22 [10]
3 years ago
7

The muscles of the digestive tract are called smooth cardiac muscles? true or false

Biology
1 answer:
Blababa [14]3 years ago
8 0

Answer:Smooth muscle or “involuntary muscle” consists of spindle shaped muscle cells found within the walls of organs and structures such as the esophagus, stomach, intestines, bronchi, uterus, ureters, bladder, and blood vessels.

Explanation:

Smooth muscle or “involuntary muscle” consists of spindle shaped muscle cells found within the walls of organs and structures such as the esophagus, stomach, intestines, bronchi, uterus, ureters, bladder, and blood vessels.

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List the factors that make different environments suitable for life.
NemiM [27]

Answer:

Factors That Allow Life on Earth to Exist:

Proximity to the Sun allowing liquid water.

The size and composition of Earth as a Rocky Planet. ...

Stability of Earth's atmosphere and chemical composition. ...

The Magnetosphere. ...

Consistency of temperatures on Earth. ...

Diversity of Life. ...

Earth's moon.

Explanation:

6 0
3 years ago
How does electrical energy travel?
BabaBlast [244]

Answer:

through wires

Explanation:

Electrical energy passes through conductors but may also travel through space but select wires as it is a more common answer.

8 0
3 years ago
Human blood types are characterized by the presence absence of surface markers known as a tigers on the surface of red blood cel
zalisa [80]

Answer:

characterized by presence or absence of antigens

the blood types are A, B, O, AB

Explanation:

There are two antigens and two antibodies that are mostly responsible for the ABO types.  The specific combination of these four components determines an individual's type in most cases. Erythrocytes and serum were related to the presence of antigens on these erythrocytes and antibodies in the serum. these antigens  are A and B, and depending upon which antigen the erythrocytes express, blood either belonged to blood group A or blood group B. A third blood group contained erythrocytes that reacted as if they lacked the properties of A and B, and this group was later called "O" blood group. The fourth blood group AB, was added to the ABO blood group system. These erythrocytes expressed both A and B antigens.

Blood group   Antigen present on RBC    Antibodies in serum    Genotype(s)

      A                        antigen A                             anti-B                     AA or AO

      B                        antigen B                             anti-A                     BB or BO

      AB              both A and B antigen                 none                         AB

      O                           none                           anti-A and anti-B           OO

4 0
3 years ago
Which of the following activities would most likely be done by an anatomist?
Sonbull [250]

Answer:

comparing the effects of exercise intensity

8 0
3 years ago
If you have a density of 100kg /L and a mass of 1000 units , tell me the following : First what are the mass units
vazorg [7]

Answer:

Mass units are equal to Kg

Explanation:

As per the requirement of the question, the data provided to compute the mass units is

Density = 100 Kg/L

Mass = 1000 units

According to the given situation, the mass units is presented below:-

As we know that the

Mass units are equal to Kg

Therefore, for determining the mass units we simply equal the Kg.

7 0
3 years ago
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