A ____________ is a physician who specializes in diagnosing and treating diseases of the heart

Why are ribs 11 and 12 called floating ribs?

klemol [59]

The phrase floating rib (Latin: costae fluctuantes) refers to the two lowermost, the eleventh and twelfth rib pairs; so-called because they are attached only to the vertebrae–and not to the sternum or cartilage of the sternum.

6 0

3 years ago

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Smooth muscles are skeletal striated involuntary voluntary

Andreyy89

Answer: Smooth Muscle Tissue

Smooth muscle myocytes are spindle shaped with a single centrally located nucleus. Muscle Types: Cardiac and skeletal muscle are both striated in appearance, while smooth muscle is not. Both cardiac and smooth muscle are involuntary while skeletal muscle is voluntary. Smooth muscle, also called involuntary muscle, muscle that shows no cross stripes under microscopic magnification. It consists of narrow spindle-shaped cells with a single, centrally located nucleus. Smooth muscle tissue, unlike striated muscle, contracts slowly and automatically.Smooth muscle fibers are located in walls of hollow visceral organs, except the heart, appear spindle-shaped, and are also under involuntary control. Skeletal muscle fibers occur in muscles which are attached to the skeleton. They are striated in appearance and are under voluntary control.

hope this helps have a nice night❤️

Explanation:

7 0

2 years ago

How does law enforcement view underage drinking when it occurs at home with parents present who grant permission?

strojnjashka [21]

They view it as being illegal

6 0

2 years ago

Individual sports require the coach to make all of the decisions for the athlete. Please select the best answer from the choices

astra-53 [7]

Falso. For example, let's choose soccer. On the field, the coach can't tell the player to pass, to kick it to number 13, or anything like that. Some decisions can be made, like whose playing. But not all decisions are made by coaches. hope this helps! Please rate brainiest answer!

4 0

3 years ago

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The average person falls asleep in how many minutes?

Ivanshal [37]

This is a very tricky question as you can get a lot of answers that will be partially correct.

The best answer in my oppinion is between the range of 7 minutes to around 15 minutes.

The reason why saying just one value isn'the best idea is because, if we have two groups of people, the average for the first group might be 7 minutes, and the average for the second group might be 11 minutes. So it's hard to say the average is 7 minutes. It's better presented in an interval where we can find this number :)

6 0

3 years ago