Exam (elaborations)
AQA BTEC APPLIED SCIENCE: THE HEART QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
- Course
- Institution
AQA BTEC APPLIED SCIENCE: THE HEART QUESTIONS AND ANSWERS WITH SOLUTIONS 2024
[Show more]
Content preview
AQA BTEC APPLIED SCIENCE: THEHEART QUESTIONS AND ANSWERS
WITH SOLUTIONS 2024
What is the heart made of? - ANSWER cardiac muscle
What does the heart contain? - ANSWER two pumps
Where does the right side of the heart pump blood to? - ANSWER lungs
Where does the left side of the heart pump blood to? - ANSWER all around the body
What are the top chambers of the heart known as? - ANSWER atria
What are the lower chambers of the heart known as? - ANSWER ventricles
What do valves in the heart do? - ANSWER stop blood going backwards
What type of muscular wall do atria have? - ANSWER thin
what type of muscular wall do ventricles have? - ANSWER thick
How does the heart work? - ANSWER -blood enters atria from the veins during diastole
-passes into the ventricles
-atria contract and push blood into the ventricles
-ventricle muscle contracts and blood is pushed out of the heart through arteries
-right and left sides pump together
What side pumps oxygenated blood? - ANSWER left
What side pumps deoxygenated blood? - ANSWER right
What is the heart tissue? - ANSWER myogenic (beats by itself)
What can the activity of the heart be controlled by? - ANSWER cardiovascular centre in the medulla of
the brain
What do the chemoreceptors in the main blood vessels do? - ANSWER detect the level of CO2
What happens if there are high levels of CO2? - ANSWER -lead to impulses being sent to the medulla
-medulla sends impulses to the SAN and makes it speed up the heart rate
What is an increase in CO2 caused by? - ANSWER exercise
What do baroreceptors in the main blood vessels do? - ANSWER -detect higher than normal blood
pressure
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller Performance. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $14.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
83637 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now