Content- Part 1 Flashcards
How many lobes does the left and right lung have?
Right lung = 3
Left lung = 2
What is the 1st section of the small intestine called?
Duodenum
What is the last section of the small intestine called?
Rectum
Another name for the large intestines is what?
Colon
What is the alimentary canal?
A continuous muscular tube that starts at the mouth and ends at the anus. Responsible for the digestion and absorption of ingested food.
What is the main constituent of urine?
Water
The main toxins excreted in urine are?
Urea which contains ammonia which is toxic
In the integumentary system, which cell type also functions as part of the immune system?
A dendritic cell
What is the outermost epidermal layer called?
Epidermis
What do defensins do and where are they located?
They kill bacteria, fungi and viruses. Located within the cells of the intestine
What does the integumentary system make that is essential for the skeletal system?
Vitamin D- this is essential for absorption of calcium and phosphorus, which are required for healthy bones.
How does the urinary system benefit the cardiovascular system?
The kidneys clean the blood, removing waste products
Without the kidneys, your blood would have too much waste and water.
Without the heart, your kidneys would not have the oxygen filled blood needed to carry out its function.
What is the epidermis?
The outermost layer of skin - provides a waterproof barrier and creates our skin tone.
What is the dermis?
Contains tough connective tissue, hair follicles, and sweat glands which help protect the deeper layers
What is the relationship between the sebaceous gland and hair follicles?
Sebaceous glands are usually attached to hair follicles and release sebum
