Respiratory and Circulatory Systems

The organs in the human circulatory system are heart, blood, blood vessels and windpipe.

• True

• False

What are the organs in this human body system?

• mouth, gullet and stomach

• nose, windpipe and lungs

• heart, blood and blood vessels

Which two body systems help to get oxygen to all parts of the body?

• digestive and circulatory

• digestive and respiratory

• respiratory and circulatory

The resting rate of Peter is about 70 beats in one minute. The following graph shows Peter's heart rate over a few hours. At which point is Peter running?

• A

• B

• C

• D

The diagram below shows how blood flows in certain parts of the body.

Which part contains the greatest amount of carbon dioxide?

• A

• B

• C

• D

When we breathe, air is inhaled and exhaled. Which of the following is true?

• Inhaled air contains more carbon dioxide.

• Inhaled air contains more water vapour.

• Exhaled air contains more oxygen.

• Exhaled air is warmer.

Which body system has these organs? Heart, blood and blood vessels.

• Respiratory system

• Digestive system

• Circulatory system

• Muscular system

The picture above shows the passage taken by ___________________.

• air when we breathe

• food when we swallow

• water when we drink

   

• blood flowing in our body

   

Tags

NGSS.MS-LS1-3

Based on the table above, what can we say about the relationship between age and heartbeat per minute?

As the age (a) _______, the heartbeat per minute (b) _______.

• (a) increases

  (b) increases

• (a) increases

  (b) decreases

The diagram below represents part of the circulatory system. The arrows represent the two main blood vessels, X and Y, that send blood towards and away from the small intestines.

Which is true?

 

• X and Y have the same amount of digested food.

• X has more digested food than Y.

• Y has more digested food than X.