As children develop and grow, their immune system needs to be ready for new things in their environment. Children must be able to quickly produce antibodies to protect their bodies. What is the reference range for lymphocytes in children?

Bradycardia is a _________ heart rate

a. faster than normal b. slower than normal c. irregular d. normal

The three insertions of the diaphragm muscle are

a. a broad costal insertion on the inside of the posterior costal arch and floating ribs, a small insertion on the xiphoid process, and two long tendons called crura that insert along the vertebral bodies of the 2nd and 3rd lumbar vertebrae. b. a broad costal insertion on the inside of the anterior costal arch and lower seven ribs, a small insertion on the xiphoid process, and two long tendons called crura that insert along the vertebral bodies of the 4th and 5th lumbar vertebrae. c. a narrow costal insertion on the bottom of the anterior costal arch and 7th rib, a small insertion on the coracoid process, and two long tendons called crura that insert along the vertebral bodies of the 2nd and 3rd lumbar vertebrae. d. a broad costal insertion on the inside of the anterior costal arch and lower seven ribs, a small insertion on the xiphoid process, and two long tendons called crura that insert along the vertebral bodies of the 2nd and 3rd lumbar vertebrae.