The answer to this question would be: microfilament
Microfilament or actin filament is the organ where myosin binding in muscle cells. This bind is making the tensile strength of the muscle. When muscle contract, the myosin will move to the actin at the outer side, makes the muscle length become shorter.
Plant roots do not carry out photosynthesis so D.
I would say D. Osteoarthritis, presbyopia
The first one, it controls the physical traits of an organism. Good luck, hope this helps!
Answer:
a) The mucosa is composed of thick, nonkeratinized stratified squamous epithelium.
d) The two layers of muscle in the superior one-third of the muscularis are skeletal
(B and E are repetition of A and D respecticely)