The respiratory system brings air into the lungs supplying the blood with oxygen. Oxygen is carried throughout the body to the organs and keeps the heart pumping and when the blood circulates back to the lungs the process starts over again.
This means that the mothers green eyes are recessive alleles and the fathers brown eyes are dominant alleles. The blue eyed puppy is blue eyed because there must have been a gene in the mothers or fathers past generation.
In some skeletal muscles, the
fascicles form a common angle with the tendon. These skeletal muscles are known
as Pennate muscles (also called pinnate muscles or penniform muscles). Generally,
these types of muscles allow higher force production but smaller range of
motion.
