Human Body 3 Flashcards
What circulatory system is similar to that of humans?
Many vertebrates have a similar circulatory system to ours
Name three vertebrate animals whose circulatory systems can be compared to humans.
Fish, frog, bird
What are the main components of the human circulatory system?
Heart, arteries, veins, capillaries
Fill in the blank: The _______ is caused by the pressure of the blood as the heart pumps it to the rest of the body.
pulse
What is the average heart rate for a grown-up?
About 70 times a minute
True or False: The heart beats faster when the body is more active.
True
Where are two good places to find your pulse?
Side of the neck, inside of the wrist
How can you measure your pulse rate?
Count the beats felt in one minute
What should you compare your pulse measurements with?
Others in your class
What happens to the heart rate when you run around?
It increases to supply more food and oxygen
What is the purpose of measuring pulse rate in the activity?
To observe variations in heartbeats
How many times should you repeat measuring your pulse?
Three times
Fill in the blank: The _______ of your heart muscle causes each beat.
contraction
Which parts of the animal circulatory systems are the same as the human circulatory system?
Heart, arteries, veins, capillaries
How are the animal circulatory systems different from the human circulatory system?
Differences in structure and function
