In what way are the humerus and the femur similar? a. they both attach their respective limbs to the axial skeleton. b. they both have similar joints at each end. c. they both are extremely strong and made only of compact bone. d. they both have hollow spaces filled with bone-generating cells. e. they both protect vital organs.

They both attach their respective limbs to the axial skeleton. Good luck!

ionic bonds are two oppositely charged ions that attract. a sodium ion has a 1 positive charge; a chloride ion has a 1 negative charge. sodium and chloride have oppostive charged ions that attract which forms an ionic bond. a chemical bond formed when two atoms share electrons is called

if you add everything up correctly you should get 69 i got this because 50 plus 19 is it