Short Term Adaptations

Question 1

Fill in the blank about anticipatory HR rise:
• Sympathetic nervous system releases __________.
• Aim is to prepare the ____ for what is to come.
• Heart rate rises slightly before you even start ________.

Answer 1

• adrenaline
• body
• exercise

Question 2

Fill in the blank about increased cardiac output:
• Cardiac output is the amount of blood that leaves the _____ per minute.
• Stroke volume is the amount of blood that leaves the ____ _________ per beat.
• Stroke volume will only increase slightly.
• But as HR rises then cardiac output can increase significantly.
• Cardiac output = ______ ______ x heart rate.

Answer 2

• heart
• left ventricle
• stroke volume

Question 3

What is blood pressure?

Answer 3

It’s the force of the blood against the walls of blood vessels.