Heart rate control

Question 1

Where is the cardiac control centre

Answer 1

The medulla oblongata

Question 2

Nerves connect the medulla oblongata to the … … … in the heart
Fill in the blank

Answer 2

Sino-Atrial Node

Question 3

What is the function of the sympathetic nervous system in terms of heart rate

Answer 3

Increases heart rate

Question 4

What is the function of the parasympathetic nervous system in terms of heart rate

Answer 4

decreases heart rate

Question 5

What are the functions of the chemoreceptors,baroreceptors and proprioceptors

Answer 5

chemoreceptors-detect changes in blood acidity
baroreceptors-detects changes in blood pressure
Proprioceptors-detects movement

Question 6

What 3 structures make up neural control of the heart

Answer 6

Chemoreceptors
Baroreceptors
Proprioceptors

Question 7

What is the main factor involved in hormonal control of the heart

Answer 7

The release of adrenaline which stimulates the SA node