<span>The best answer is :
Systolic circulation
</span>The systolic blood circulation is the process when the heart contracts., the oxygen-rich blood from the heart is pumped out into the arteries, from where it is sent to all the body parts.
<span>The node which initiates the contraction through a nerve signal is called the AV node.</span>
Answer:The healthy steps of Texas consist of verifying by means of a medical examination if the boys grow and develop according to their age.
Explanation:These steps help to find treatments for health problems, dentists, lack of vaccination and receive a health education to keep children healthy.
Medical checkups should be done:
at 5 days old.
at 2 weeks old.
at 2 months old.
at 4 months old.
at 6 months old.
at 9 months old.
at 12 months old.
at 15 months old.
at 18 months old.
at 2 years old.
at 30 months old.
at 3 yeras old.
Then every year until 20 years old.
I hope I have hepled you. Any question tell me.
The right answer is Joints (or ligaments more precisely).
Muscle is the contractile structure that produces strength. It has components that allow it to be shortened to create what is called a muscle contraction.
The joint is junction of two parts of the skeleton allowing them relative mobility.
The ligament is an elastic structure that stabilizes the joints. It therefore attaches from one bone to another.
Explanation:
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C: More children are being born worldwide
