Questions

The Math.floor() function in JavaScript is used to round off the number passed as parameter to its nearest integer in Downward direction of rounding i.g towards the lesser value.

Hence, math.floor(3.6) = 3.

We know that, there are four types of tissue in human body. They are 

1.Muscular
2.Connective
3.Epithelial
4.Nervous

Among these Connective Tissue are most abundant in our body. 

CONNECTIVE TISSUE

Connective tissue is found in between other tissues everywhere in the body, including the nervous system. It develops from the mesoderm.

Functions:

1) Wraps around and cushions and protects organs
2) Stores nutrients
3) Internal support for organs
4) As tendon and ligaments protects joints and attached muscles to bone and each other
5) Runs through organ capsules and in deep layers of skin giving strength

The 3 Elements of Connective Tissue are

1) Ground substance – gel around cells and fibers
2) Fibers – provide strength, elasticity and support
3) Cells

The OSI Model is used as a reference model.

The primary reason the OSI model was created was so that different networks could inter-operate. Hence, different networks could communicate.