Why do capillaries surround alveoli

Answers

Answer 1
Answer: this is the site where oxygen and co2 is transferred in the body, co2 is expelled by pressure equalization from erythrocytes, and o2 is recovered and braught back to the heart to be ejected to the rest of the body.

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what happens when a force of 150 decimals or higher waves of sound hit you for three minute non-stopping?

Answers

hi there,

What would happen your ear drums would exploded and you would get a bad headache

hope it helped! 

Why is frequency important when choosing exercise to build your strength and endurance

Answers

The more frequently you exercise the easier it will be to do harder excercises
Because over time our bodies ( especially as adults) loose strength and muscle mass, so more frequent excercise helps ongoing strength and fitness ;)

If i sleep waaaay too much is that unhealthy or is it still giving me a lot of energy?

Answers


although sleeping can recharge your body, over-sleeping can leave you tired due to excess time that your brain goes through sleep patterns.

it is not bad to have naps, but sleeping for say 17 hours at a time can result in more fatigue depending on how tired you were before.

To much is bad. The average teen needs 10 hrs of sleep.

During exercise, the oxygen concentration in the blood increases to twice that of resting levels. t or f

Answers

Answer:

False

Explanation:

During exercise, the oxygen DOES NOT concentration in the blood increases to twice that of resting levels.

Your brain is a structure composed of different kinds of tissue. What is this kind of structure called?

Answers

Brain is a structure composed of different kinds of tissue. It is called an Organ.

What is an organ?

  • In biology, an organ is a collection of tissues within a living thing that have been modified to carry out a particular task.
  • Organs in higher animals are categorized into organ systems; for instance, the digestive system's organs include the esophagus, stomach, and liver.
  • Ten organ systems, including integumentary, skeletal, muscular, nervous, endocrine (hormonal), digestive, respiratory, circulatory, excretory, and reproductive, are typically present in more complex creatures.
  • The brain is a sophisticated organ that manages every bodily function as well as thought, memory, emotion, touch, motor skills, vision, respiration, temperature, and hunger.

learn more about Organ here: brainly.com/question/545314

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main:grey matter which is made of neurons....glial....axons..myelin...ventrycels...cerebrospinal...ect,

When a doctor feels for lymph nodes, he is checking for?

Answers

He is checking for swollen glands, which would indicate infection or disease