Show that if the entries of a matrix A are integers, then det A is an integer. (Hint: Use induction.) _
Skeletal System and its Role with Other Body Systems Examples: 1. Muscular system - muscles attach to bone and assist in movement. 2. Cardiovascular system - red bone marrow is involved in blood production this will include the heart and flow of blood to and away from the heart.. 3. Endocrine system - hormones determine bone gain and loss and secrete enzymes and hormones which include insulin. 4. Respiratory system - bones in the ribcage assist with breathing and other pulmonary functions.