PH meter, which is a device used to measure hydrogen-ion activity in the solution. A PH meter is a voltmeter stuck to a pH electrode and a reference electrode. -maclittleseed
When speaking about pre-molars, we would only contain 8 pre-molars, and this is due because we only contain 32 teeth.
We have : (8 pre-molars)
We have : (12 molars)
We have : (8 incisors)
And for the last part, we would contain : (4 canines).
Body systems include:
Circulatory-
INCLUDES: Heart, blood vessels, blood lymph nodes and vessels, lymph
FUNCTIONS: Transports nutrients, wastes, hormones, and gases
Digestive-
INCLUDES: Mouth, throat, esophagus, stomach, liver, pancreas, and small and large intestines.
FUNCTIONS: Extracts and absorbs nutrients from food; removes wastes; maintains water and chemical balances.
Endocrine-
INCLUDES: Hypothalamus, pituitary, pancreas, and many other endocrine glands.
FUNCTIONS: Regulates body temperature, metabolism, development, and reproduction; maintains homeostasis; regulates concentration of body fluids.
Excretory-
INCLUDES: Kidneys, urinary bladder, ureters, urethra, skin, lungs
FUNCTIONS: Removes wastes from blood; regulates conccentration of body fluids.
Immune-
INCLUDES: White blood cells, lymph nodes and vessels, skin.
FUNCTIONS: Defends against pathogens and disease.
Integumentary -
INCLUDES: Skin, nails, hair
FUNCTIONS: Protects against injury, infection, and fluid loss; helps regulate body temperature.
Muscular-
INCLUDES: Skeletal, smooth, and cardiac muscle tissues.
FUNCTIONS: Moves limbs and trunk; moves substances through body; provides structure and support.
Nervous-
INCLUDES: Brain, spinal cord, nerves, sense organs.
FUNCTIONS: Regulates behavior; maintains homeostasis; regulates other organ systems; controls sensory and motor fuctions.
Reproductive-
INCLUDES: Testes, penis(in males); Ovaries, uterus, breasts(in females)
FUNCTIONS: Produces gametes and offspring.
Repertory-
INCLUDES: Lungs, nose, mouth, trachea.
FUNCTIONS: Moves air into and out of lungs; controls gas exchange between blood and lungs.
Skeletal-
INCLUDES: Bones and joints.
FUNCTIONS: Protects and supports the body and organs; interacts with skeletal muscles, producs red blood cells, white blood cells, and platelets
HOPE THIS HELPS AND PUT AS BRAINLIEST ANSWER