40 POINTS.will give brainliest happily if helped ASAP
1.
Which of the following muscles are attached to a bone?
Bladder muscles
Cardiac muscles
Skeletal muscles
Stomach muscles
2.
What is the main function of the endocrine system?
To control body activities through the release of chemicals
To help in body movements and maintaining posture
To produce new individuals through fertilization
To exchange gases like oxygen across the body
3.
Which of the following microorganisms is most likely to get its main source of nutrition from a host?
Bacteria
Parasite
T-cell
Virus