Questions

The sun moves around and in the house, but cannot touch the house.

a) joins the Gulf of Mexico and Atlantic Ocean, and touches USA and Bahama Island.

b) joins the sea of Marmara and Aegean Sea, touching Asian Turckey and European  Turkey

d) joins Black sea and sea of Marmara touching Asian Turkey and European Turkey

In all the above given options, there is no chemical change or reactions takes place only the shape or physical state is changed.

In Hinduism, the guardians of the cardinal directions are called the Lokapālas, or Dikpalaka. Aṣṭa-Dikpāla ("Guardians of Eight Directions")

1.Kubera (North)

2.Yama (South)

3.Indra (East)

4.Varuṇa (West)

5.Īśāna (Northeast)

6.Agni (Southeast)

7.Vayu (Northwest)

8.Nirṛti (Southwest)

The basic unit of the nervous system is the Neurons.

The neuron is a single nerve cell, and you have billions of them.

There are three basic types of neurons::

1. Association,

2. Afferent  and

3. Efferent.

The association neurons comprise the central nervous system (CNS) that is the brain and spinal cord.

The afferent neurons are also known as the sensory neurons, they bring the stimuli from the sensors (e.g., skin, eyes, ears) to the CNS.

The efferent neurons are also known as motor neurons, they bring the responses from the brain to the muscles and the glands.