Question

circle the correct answer.

1. what is the main function of the skeletal system?

a) to help digest food
b) to produce hormones
c) to support the body and protect organs
d) to circulate blood

1. how many bones are in the adult human body?

a) 106
b) 206
c) 306
d) 406

1. which of the following is not part of the axial skeleton?

a) skull
b) rib cage
c) vertebral column
d) femur

1. what type of joint is found in the shoulder?

a) hinge
b) ball and socket
c) fixed
d) pivot
which mineral is stored in bones and is essential for strength?
a) iron
b) calcium
c) potassium
d) sodium
label the skeleton

Explanation:

1. The skeletal system's main role is to support the body and safeguard internal organs. Digestive system helps digest food, endocrine system produces hormones, and circulatory system circulates blood.
2. The adult human body has 206 bones.
3. The axial skeleton includes the skull, rib - cage, and vertebral column. The femur is part of the appendicular skeleton.
4. The shoulder joint is a ball - and - socket joint, allowing a wide range of motion.
5. Calcium is stored in bones and is crucial for bone strength.

Answer:

1. c) To support the body and protect organs
2. b) 206
3. d) Femur
4. b) Ball and socket
5. b) Calcium