breaks down food absorbs nutrients
The pharynx and larynx are apart of what system?
Respiratory
what is the basic unit of life
cell
what system would sweat glands be apart of ?
integumentary system
what are the 2 types of reproduction
sexual
asexual
What is the function of the muscular system
Helps you move/movement
Mechanical (voluntary) Digestion begins where?
In the mouth
a group of organs working together is called a ?
organ system
What is the endocrine system?
system that regulates hormonal functions/ helps you grow /has hormones
Which of the following body systems work together for support, protection, and movement?
skeletal and muscular
what is the function of the integumentary system?
protects the body
regulates temperature
prevents water loss
Organ that begins the chemical breakdown of protein
what is the Stomach
Is a vein classified as an organ or a tissue?
organ
what are the 3 types of muscles
smooth
cardiac
skeletal
As a runner begins to run a race, his or her respiration rate will increase. The runner begins to breathe deeper and at a rapid rate. In addition, the heart beats more quickly. This will result in more oxygen delivered to the muscle cells. Which two body systems are working together to help out the muscle cells?
Respiratory system and circulatory system
What is the function of the respiratory system?
Takes in oxygen gets rid of carbon dioxide
what is the name of a nerve cell?
neurons
a leaf can be classified as what level of organization?
Organ
What organ sends electric signals throughout the body?
brain
The model shown is a representation of the ______ system
digestive 
what is the function of the circulatory system?
blood carries oxygen and transports nutrients
Organ that begins the chemical breakdown of protein by enzymes
the stomach
List the levels of organization from largest to smallest
organism
organ system
organ
tissue
cell
Touching a hot pan generates a quick response that requires no thinking. What type of response is this?
Reflex/ involuntary response
what system contains the kidneys and the urethra.
Excretory System