Animal Tissue and Anatomy

Tongue can move in all directions. The back of the tongue is attached to the floor of the buccal cavity.  It is a fleshy muscular organ. It mixes saliva with food.  So, option (2) is the correct answer.

Keratin refers to a family of fibrous structural proteins. Keratin is the key structural material making up the outer layer of human skin. It is also the key structural component of hair and nails.

Uterus is an internal sex organ of the female reproductive system.

Fallopian tube connects ovaries to uterus.

The wall of vagina from the lumen outwards consists of a mucosa of nonkeratinised stratified squamous epithelium.

The loose connective tissue around the uterus is called perimetrium layer.

The cervix is the lower, narrow portion of the uterus.

In sexual homology, labia majora of females is homologous to scrotum of males.

Mons pubis is a rounded mass of fatty tissue found over the pubic symphysis of the pubic bones.

Pudendal cleft is also called cleft of Venus.

The inner lips of vaginal opening are called labia minora.

Clitoris contains many nerve endings for sensing sexual pleasure.

The foreskin contains sensory receptors called Meissner's corpuscles. These nerves provide pleasure and fine sensory perception.

The inner foreskin layer is a mucocutaneous tissue.

It helps in maintaining the uterus in its position.