"What happens when you exercise (1)" Our Body PPT Courseware 4

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"What happens when you exercise (1)" Our Body PPT Courseware 4

Has the gas you breathed changed?

Experience this: What does it feel like to repeatedly breathe in the air from a plastic bag?

Tips: Take a deep breath, then wrap your mouth and nose with a plastic bag, breathe the air in the plastic bag repeatedly, and count more than 5 deep breaths.

1. Fill in the blanks.

(1) Comparing the exhaled gas with the inhaled gas,

( ) decreases, ( ) and water vapor increase, ( ) remains unchanged.

(2) Human breathing is actually going on

( ), causing ( ) to enter the blood and expelling ( ) at the same time.

(3) In a calm state, I breathe about ( ) times and my heart beats ( ) times per minute.

2. True or False

(1) The gas we exhale is carbon dioxide. ( )

(2) Regular physical exercise can increase the body's lung capacity and is beneficial to physical health. ( )

(3) After exercise, the number of breathing and heartbeats per minute increases. ( )

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"What happens when you exercise (2)" Our Body PPT Download:

"What happens when you exercise (2)" The first part of our body PPT download content: Introducing a new lesson to explore why the heartbeat speeds up. Today we are going to do an experiment. We are not only competing to see who can play better, but also who can play better. You gain a lot of knowledge while playing...

"What happens when you exercise (2)" Our Body PPT:

"What Happens When You Exercise (2)" Our Body PPT Part One: Why does the heartbeat speed up? The human heart is located at the lower left side of the middle of the chest. It is shaped like a peach and is about the size of a fist..

"What happens when you exercise (1)" Our Body PPT Download:

"What Happens When You Exercise (1)" Our Body PPT Download Part One Content: Introducing the new lesson of measuring heartbeat and breathing Today we are going to do an experiment. We are not only going to compare who can play well, but also who can play well. You gain a lot of knowledge while playing. skeleton..

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Update Time: 2024-09-30

This template belongs to science courseware Fourth Grade Science Volume 1, Textbook Edition industry PPT template

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