The Respiratory System

Question 1

Function of lungs

Answer 1

Sacs that allow movement of air around the body.
Left one is smaller as it needs space for the heart.

Question 2

Function of Diaphragm

Answer 2

Used in process of respiration/inhalation.
A FOME shaped muscle that separates the chest from the rest of the body cavity.
Inhale = contracts
Exhale = relaxes

Question 3

What is the order in which air enters.

Answer 3

Bronchi
Bronchioles
Alveoli

Question 4

What is gas exchange?

Answer 4

Gases move from areas of high concentration to low concentration.
Alveoli - high pressure/ concentration of o2
Capillaries surrounding alveoli from muscles - low pressure/concentration of o2
Movement of o2 from high pressure to low through thin walls of capillaries and alveoli.
Capillaries gain o2 from alveoli and transport it around the body.

Question 5

why is the respiratory system important to an athlete?

Answer 5

When exercising the lungs bring oxygen into the lungs that pump air around the body to provide energy and removing the wast products like carbon dioxide.