The sa node <u>spontaneously</u> fires at regular intervals.
<h3>What is SA node?</h3>
SA node; an accronym for sinoatrial node is a mass of specialized issue situated in the heart; specifically in the right upper chamber of the heart.
This sinoatrial node help the heart generates electrical stimulus regularly usually between 60 to 100 times per every minutes
<h3>What is heart?</h3>
The heart is a muscular organ and the only organ in the known which helps to pump blood to various parts of the body
- Helps in the mentenance of blood pressure
- It helps to pump oxygenated blood
- It helps to transfer hormones
- Helps to receive deoxygenated blood as well
Learn more about SA node of the heart:
brainly.com/question/9058294
A. Build stamina. The Aerobic energy system kicks in roughly 60 seconds into exercises and continues to be used until energy ceases.
Answer:
a
Explanation:
i think its a because most often a strain is overuse vs sprain bing overextension of muscle
Good mental health is characterised by a person's ability to fulfil a number of key functions and activities, including: the ability to learn. the ability to feel, express and manage a range of positive and negative emotions. the ability to form and maintain good relationships with others. “Suppressing your emotions, whether it's anger, sadness, grief or frustration, can lead to physical stress on your body. Which can affect blood pressure, memory and self-esteem.” Mental illness itself occurs from the interaction of multiple genes and other factors -- such as stress, abuse, or a traumatic event -- which can influence, or trigger, an illness in a person who has an inherited susceptibility to it. However Physical activity, Regular exercise or activity can have a major impact on mental and emotional health problems, relieve stress, improve memory, and help you to sleep better.
The four factors that can be defined as essential parts of one’s overall health are social, mental and emotional, and physical. The answer to your question is C. I hope this is the answer that you are looking for and it comes to your help.
