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IB SEHS TOPIC 2 STUDY GUIDE QUESTIONS WITH 100% CORRECT ANSWERS!! Questions with Correct Answers for Specific Exam Mail supergrades12@gmail.com

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IB SEHS TOPIC 2 STUDY GUIDE QUESTIONS WITH 100% CORRECT ANSWERS!! Questions with Correct Answers for Specific Exam Mail

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IB SEHS TOPIC 2 STUDY GUIDE
QUESTIONS WITH 100% CORRECT
ANSWERS!! Questions with Correct
Answers for Specific Exam Mail

List the pathway of blood in your heart

Ans: 1) Superior vena cava
2) Inferior Vena cava
3) Right atrium
4) Tricuspid valve
5) right ventricle
6) pulmonary artery
7) lung cappilaries
8) pulmonary vein
9) left atrium
10) mitral valve
11) left ventricle
12) aorta



Describe what happens when you inhale:



:
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, 2


Ans: ribs push outward and diaphragm downward to
make the chest cavity larger so the lungs can inflate; the
pressure around the lungs decreases; air flows into the
lungs



Describe what happens when you exhale:

Ans: ribs push inward and diaphragm upward to make
the chest cavity smaller so the lungs can deflate; the
pressure around the lungs increases; air flows out of the
lungs



list the pathway of air through the respiratory system:

Ans: - Nasal/Oral Cavity
- Pharynx
- Larynx
- Trachea
- Bronchi
- Bronchiole
- Alveoli



why does the respiratory rate increase during exercise?

:
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