Biology, Heart Flashcards
(19 cards)
What is the primary function of the circulatory system?
To meet the regular supply of food, oxygen, etc.
What are the main components of the circulatory system?
Heart, blood vessels, blood, and lymph
What type of muscle is the heart made up of?
Cardiac muscle
Where is the heart located?
In the middle of the chest cavity (mediastinum)
What direction does the heart point?
Towards the left
What are the two upper chambers of the heart called?
Atria (auricles)
What are the two lower chambers of the heart called?
Ventricles
What separates the atria and ventricles?
Valves
Fill in the blank: The heart consists of _______ chambers.
four
What is the wall that separates the left and right sides of the heart called?
Interatrial and interventricular septum
True or False: The heart is a muscular organ that pumps blood.
True
What is the role of blood circulation in the body?
It provides an efficient supply of oxygen to separate organs and tissues in the body.
What are the two types of circulation in the body?
Systemic circulation and pulmonary circulation.
What is double circulation?
It refers to the complete circuit of blood flow through the heart and body, consisting of systemic and pulmonary circulation.
What is the location
of the semilunar valve?
It is located between the pulmonary artery and the right ventricle.
What is the location of the aortic valve?
It is located between the left ventricle and the aorta.
What is the location
of the bicuspid valve?
It is located between the left atrium and the left ventricle.
What is the location of the tricuspid valve?
It is located between the right atrium and the right ventricle.
How many valves are there in the heart?
There are four valves in the heart.
