What are body tissues made from?
Cells
How many bones do humans have?
206
The type of cells in the nervous system are called
neurons
Name three important things transported through the body by the cardiovascular system
O2, nutrients, waste, hormones, immune cells, heat
What is the main function of the kidneys in the urinary system?
filter blood to make urine
What are the four main types of body tissue?
Nervous, muscle, epithelial, connective
What are the smallest and largest bones in the body?
Stapes (inner ear) and femur
What are the two broad categories of the nervous system?
Central NS (brain and spine) and peripheral NS (rest of the body)
What are the names of the four chambers of the heart?
Left atrium, right atrium, left ventricle, right ventricle
How does urine get from the kidney to the bladder?
Tubes called ureters
What five things make up the integumentary system?
Skin, hair, nails, sweat glands, and sebaceous (oil) glands
What is the biggest muscle in the body?
gluteus maximus
Which two types of macromolecules are most hormones (carbohydrate, lipid, protein, or nucleic acid)?
Proteins and lipids (steroids)
What is the major difference between veins and arteries?
Arteries carry oxygenated blood away from the heart and veins carry deoxygenated blood back towards the heart
What is the technical term for urination in the health field?
Micturition
What are the three layers of skin?
Epidermis, dermis, hypodermis
How many skeletal muscles are there?
640
Which gland is considered the "master gland"?
Pituitary gland
What is the digestive function of the liver?
Produces bile which breaks down fatty foods in the stomach
What is the purpose of ovaries in females?
Create and store eggs, produce hormones involved in menstruation and pregnancy
Your skin is essential to the production of which vitamin?
Vitamin D
What are the names of the two major types of proteins that make up muscles?
Actin and myosin
What is the function of the pancreas in the endocrine system?
Produces insulin and glucagon to lower or raise blood sugar
What are the three parts of the small intestine?
duodenum, jejunum, ileum
What is the smallest human cell?
Sperm cells