Final answer:
Of the given statements, the true ones are that bones form the endoskeleton in human beings and that striated muscles are voluntary. Areolar tissue is not primarily an insulator, and cork is actually lightweight and fire-resistant.
Step-by-step explanation:
Considering the given statements, we can assert the following:
- (i) Bones form the endoskeleton in human beings - This statement is true. The human endoskeleton is made up of bones and cartilage and serves various functions including support, protection of internal organs, and facilitation of movement.
- (ii) Areolar tissue acts as an insulator and reduces heat loss from the body - This statement is false. While areolar tissue does fill in spaces between organs and tissues and provides elasticity and support, it is not particularly known for its insulating properties. Instead, adipose tissue is better known for insulation.
- (iii) Striated muscles are voluntary in nature - This statement is true. Striated muscle tissue forms skeletal muscles, which are controlled by the will and hence are referred to as voluntary muscles.
- (iv) Cork is heavy in weight and catch fire easily - This statement is false. Cork is lightweight and does not catch fire easily; in fact, it is fire resistant due to its suberin content.
Therefore, the true statements from the given options are (i) and (iii).