-The appearance of pubic hair
-peak of growth spurt
-Attainment of adult height
-Completion of pubic hair growth
The heart is made up of two upper chambers, the atria, and two lower chambers, the ventricles. The atria are separated by the interatrial septum, and the ventricles are separated by the interventricular septum.
<h3>The cardiac structures</h3>
Between the atria and the ventricles, we find the atrioventricular valves. In the heart, the pulmonary and aortic semilunar valves are also present, located between the ventricles and the pulmonary artery and aorta, respectively. We therefore have four valves in the heart, which prevent the backflow of blood, thus providing for the movement of blood in a single direction.
With this information, we can correlate the cardiac structures in the image and their functions.
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Answer:
NFL rules, says this is a sticker that marks the helmet that is linked up with a two-way microphone radio set, so the coaching staff can communicate with an on-field player. The quarterback on offense and the defensive captain or play-caller are linked up with communicators in their helmets.
Answer:Because DNA is a complex, long-chained molecule that contains the genetic blueprint for building and maintaining all living organisms. Found in nearly all cells, DNA carries the instructions needed to create proteins, specific molecules essential to the development and functioning of the body.
Explanation: