Small Intestine, mainly Jejunum and Ileum
Answer: The orientation of the muscles in the abdominal wall is important to enclose and protect abdominal contents.
Explanation: The anterolateral musculoaponeurotic walls are suspended between and supported by two bony rings; thoracic skeleton superiorly and pelvic girdle inferiorly, which are linked by a semirigid lumbar vertebral column in the posterior abdominal wall. This orientation enables the abdomen to enclose and protect abdominal contents while providing the flexibility required by posture, locomotion and respiration.
Answer:
Carbon dioxide
Explanation:
Because The heart pumps the oxygen to the muscles that are doing the exercise. When you exercise and your muscles work harder, your body uses more oxygen and produces more carbon dioxide.
