Brainscape's Knowledge GenomeTM

Browse over 1 million classes created by top students, professors, publishers, and experts.


See full index

CGP GCSE Biology > The Hormonal System Also Helps to Control Heart Rate > Flashcards

The Hormonal System Also Helps to Control Heart Rate Flashcards

You may prefer our related Brainscape-certified flashcards:
GCSE Religious Studies - Edexcel Route A flashcards GCSE Religious Studies - Eduqas Route A flashcards AP® Biology flashcards GCSE Geography - AQA flashcards Biology 101 flashcards GCSE Religious Studies - Edexcel Route B flashcards GCSE Religious Studies - Eduqas Route B flashcards
1
Q

What happens when an organism is threatened?

A

The adrenal glands release adrenaline

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What does adrenaline bind to?

A

Specific receptors in the heart

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What does this cause the cardiac muscle to do?

A

Contract more frequently and with more force, so heart rate increases and the heart pumps more blood

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

What does this increase?

A

Oxygen supply to the tissues, getting the body ready for action

How well did you know this?
1
Not at all
2
3
4
5
Perfectly

CGP GCSE Biology (226 decks)

Brainscape helps you reach your goals faster, through stronger study habits.
© 2024 Bold Learning Solutions. Terms and Conditions