Answer:The sliding filament model of muscle contraction, put forward by Hugh Huxley and Jean Hanson in 1954, is 60 years old in 2014. Formulation of the model and subsequent proof was driven by the pioneering work of Hugh Huxley (1924–2013).
Explanation:
Answer: E
Explanation: pulmonary means lungs. after the blood goes to the lungs it comes back to the left atrium.
Answer:
Ask him!! If you don't want to then ask your parents and your counselor will more likely be willing!
Explanation:
Hope this helps! Good luck!
Answer:
it looks as to be if the correct answer is b.
