The oesophagus is located in which body cavity?

The dermis is the layer of the cutaneous membrane that contains nerve endings, blood vessels, glands, and hair follicles.

The cutaneous membrane is another name for the skin, which is composed of two main layers: the epidermis and the dermis.

Choice A is wrong because fascia is not a layer of the cutaneous membrane, but a type of connective tissue that surrounds muscles, organs, and other structures.

Choice B is wrong because subcutaneous is not a layer of the cutaneous membrane, but a layer of fat and connective tissue that lies below the dermis.

Choice D is wrong because epidermis is the outermost layer of the cutaneous membrane, which provides protection and waterproofing, but does not contain nerve endings.

Sebaceous glands are microscopic glands in the skin that secrete an oily or waxy substance called sebum into the hair follicles or onto the skin surface.

Sebum lubricates and protects the skin and hair from drying out and from infections caused by bacteria or fungi. Sebum also contributes to body odour.

A. To secrete cerumen or earwax. This statement is wrong because cerumen is produced by specialized sweat glands in the ear canal, not by sebaceous glands. B. To produce hair growth.

This statement is wrong because hair growth is determined by the activity of hair follicles, not by sebaceous glands. Sebaceous glands only deposit sebum on the hairs and bring it to the skin's surface.

D. To excrete perspiration or sweat.

This statement is wrong because perspiration is produced by sweat glands, not by sebaceous glands. Sweat glands are different from sebaceous glands in their structure, location and function. Sweat glands help regulate body temperature and eliminate waste products through the skin.

Pulmonary vein. This is because the pulmonary vein is the only vessel that carries oxygenated blood from the lungs to the heart. The blood then enters the left atrium of the heart and then the left ventricle.

Choice B. Inferior vena cava is wrong because it carries deoxygenated blood from the lower body to the right atrium of the heart.

Choice C. Aorta is wrong because it carries oxygenated blood from the left ventricle of the heart to the rest of the body.

Choice D. Pulmonary artery is wrong because it carries deoxygenated blood from the right ventricle of the heart to the lungs.

Connective tissue is the most abundant type of tissue in the human body. It is widely distributed and varied, and it includes fibrous tissues, fat, cartilage, bone, bone marrow, and blood.

Choice A is wrong because muscle tissue is not the most abundant type of tissue in the human body. It constitutes around 40% of total body weight and has around 700 muscles.

Choice B is wrong because nervous tissue is not the most abundant type of tissue in the human body. It consists of neurons and neuroglia that transmit and process information.

Choice C is wrong because epithelial tissue is not the most abundant type of tissue in the human body. It covers the body and many of its parts, and forms glands.