Grade 6 - Human Body Flashcards
(90 cards)
What do you think will happen to the oranges if you squeeze and throw them?
By squeezing the oranges, you’ll release the juice inside.
Oranges will likely break apart or bruise when thrown, depending on how hard they are squeezed and how forcefully they are thrown. If they are already weakened by squeezing, the skin might split or the orange could burst on impact, making a mess. If the orange is mostly intact, it could just get bruised or squashed.
Is the body’s outer protective layer, consisting of the skin and also includes the hair, nails, and the sweat and oil glands. This protects your body from injury.
Integumentary System
Is the largest organ of the human body.
Skin
What are the different functions of the skin?
It acts as an excretory organ, a sense organ, and a temperature regulator.
What are the 3 layers of the human skin?
epidermis
dermis
hypodermis
It has a receptors that recognize heat, cold, pain, and touch?
skin
It shields your body from ultraviolet (UV) rays emitted from the sun and from microorganisms that can enter and harm the other body systems.
skin
It also protects you from mechanical and physical injuries.
skin
Is the outermost layer of the skin.
epidermis
It has pores through which sweat and oil are excreted. Its surface consists of dead cells that continually shed off and replaced by new cells.
epidermis
What is the tough protein in the epidermis that prevents water from seeping into the body?
Keratin
It is also the key component of your hair and nail.
Keratin
It waterproofs and protects the cells and tissues underneath?
Keratin
What is the pigment in the epidermis which is responsible for your skin color. It also shields you from the harmful UV rays of the sun?
melanin
What type of skin cell is responsible for the production of melanin?
melanocytes
What is the middle layer of the skin called?
dermis
What structures are found in the dermis layer of the skin?
nerve endings
blood vessels
sweat and oil glands
What is the coiled tube in the skin that secretes sweat?
sweat gland
What is the waste product excreted through the pores of the skin?
sweat
What is the organ that functions as an excretory organ in the body?
skin
What happens to blood vessels in the skin when a person feels hot, causing the skin to appear reddish?
The blood vessels enlarge to allow more blood to flow.
What substance is produced by the sebaceous or oil glands to naturally moisturize and lubricate the skin?
sebum
What are the regions in the skin where hair grows and contain pain receptors that sense pain when a hair is pulled out?
Hair follicles.
What is the inner layer of the skin that is responsible for fat storage that insulates the body to make sure that you stay warm?
hypodermis