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tester [92]
2 years ago
6

What are four principle functions of the respiratory system?

Health
2 answers:
Allisa [31]2 years ago
8 0
External  is one of them
Aloiza [94]2 years ago
5 0
1. External respiration exchanges gases between bloodstream and lungs
2. Internal respiration exchanges gases between bloodstream and body tissue.
3. Air vibrating in vocal cords causes sound
4. Olfaction.
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What is difference between descriptive and experimental research
Rudik [331]

Answer:

<u>Descriptive</u><u> </u><u>Research</u><u>:</u>

Descriptive research is a method that describes a study or a topic.

<u>Experimental</u><u> </u><u>Research</u><u>:</u>

Experimental research is a study that strictly adheres to a scientific research design.

4 0
1 year ago
Please help
Aleksandr [31]

The components of fitness measured in:-

  • Plank challenge:- Core endurance
  • Step challenge:- Aerobic fitness

<h3>What Bobby can do to improve his score ?</h3>
  • He can hold his plank longer every time his timer goes off.
  • He can warm up about 5 minutes with slow jog, cycling on stationary biker.
  • He can perform the sets of repetitions with 30 seconds rest between each.

<h3>What do you mean by fitness?</h3>
  • Physical fitness is a state of health and well being.
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To know more about fitness here

brainly.com/question/16289258

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4 0
2 years ago
Read 2 more answers
The ______ receives much of the food which is dissolved in the small intestine
Dovator [93]

Answer:

The bloodstream  receives much of the food which is dissolved in the small intestine.

Explanation:

The ______ receives much of the food which is dissolved in the small intestine

a. liver

b. kidneys

c. bloodstream  (correct answer)

Because Blood has many different functions, including:

- transporting oxygen and nutrients to the lungs and tissues.

- forming blood clots to prevent excess blood loss.

- carrying cells and antibodies that fight infection.

- bringing waste products to the kidneys and liver, which filter and clean the blood.

- regulating body temperature.

Hope this helps. Mark as brainliest if liked! Thanks!

3 0
2 years ago
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PLS I WILL LOVE YOU FOREVER IF YOU KNOW THE ANSWERS TO THESE PLZ HELP ME I BEG YOU, MY LIFE RELIES ON YOU.
Eduardwww [97]
Id love to do my best to answer these, would you be able to maybe make the numbers more visible and then show me the worksheet?
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2 years ago
Which of the following choices is an affective way to prevent low back pain
Anastasy [175]
Walking Take a rest. no weight lifting this prevent
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3 years ago
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