Answer:
B
Explanation:
i think that because of brains
Answer:
A. contracting muscle fibers.
C. burning calories
Explanation:
Isometric exercises are the exercises which cause the contraction of muscles only but not to change the length and joint of the muscles. It builds and maintain strength of the body and also helps in burning of calories as a result loosing of weight occur. This exercise burns about two to five calories per minute and boost your metabolism which leads to lower weight.
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
Hi,
I believe it would be B, <span>Donald and Ignacio are likely to experience reduced feelings of prejudice.
~Elisabeth</span>
