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AleksAgata [21]
2 years ago
6

What type of muscle contracts and relaxes to control the movement of the contents?

Biology
1 answer:
Brut [27]2 years ago
8 0

Smooth muscles are the type of muscle that contracts and relax to control the movement of the contents.

<h3></h3>

What are Smooth muscles?

Because it lacks sarcomeres and as a result, striations, smooth muscle is an involuntary non-striated muscle (bands or stripes). Its two subgroups are single-unit smooth muscle and multi-unit smooth muscle. A syncytium is the collective contraction of the sheet or bundle of smooth muscle cells that make up a single-unit muscle.

Smooth muscle makes up the walls of hollow organs including the stomach, intestines, bladder, and uterus as well as the blood and lymphatic vessels, as well as the tracts of the respiratory, urinary, and reproductive systems. The ciliary muscle, a type of smooth muscle present in the eyes, changes the shape of the lens by dilation and contraction of the iris.

To learn more about smooth muscles, visit:

brainly.com/question/9883108

#SPJ4

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At which point on a cladogram do two species share an ancestor?.
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8 0
2 years ago
If a pea plant that is herterozygous for rounds, yellow peas is crossed with a pea plant that is homozygous for round peas but h
Keith_Richards [23]

Answer: There re two different types of phenotypes in the offsprings that is Round yellow and Round green.

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As per the Mendelian inheritance, Round shape and yellow color of pea are dominant over wrinkled shape and green color of pea.

According to the question, genotypes of parents are- RrYy ( heterzygous for round and yellow) and RRYy ( homozygous for round and heterozygous for yellow).

The first parent can produce four different gametes that is RY, Ry, rY, ry whereas the second parent will produce only two types of gametes that is RY and Ry.

When they are crossed, they will produce two different phenotypes in the offsprings.

Refer punnett square.


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