Cells-Skeletal-Circulatory
Smallest unit of life
cell
Muscles that you choose to move
Voluntary
New skin cells are produced in which layer of skin
Epidermis
Several tributaries collectively lead into a larger river forming a
Watershed
In cellular respiration you need food and air. Air comes from your lungs. What are the structures in the lungs where the gases are exchanged?
alveoli
When you exercise, break a bone or grow this happens
New bone tissue forms
Involuntary muscles are controlled by?
Nervous system
What is the substance in your skin that causes you to tan?
melanin
A tool made up of a series of steps to evaluate structures, in order to identify an organism
dichotomous key
Sensory neurons in the retina receive information and send it through the optic nerve to the brain. The brain processes the information and sends another inter neuron message out to the muscles. What is the third type of neuron that is connected to the muscle?
motor neurons
Name the levels of cellular organization
Cell, tissue, organ, organ system, organism
Name the three types of muscle tissue
smooth, skeletal, cardiac
In digestion enzymes work to speed up digestion. Enzymes cause a chemical change to work with the mechanical digestion. What is the job of digestion?
To break down food molecules into smaller molecules so they can be absorbed by the body
What do the levels in an energy pyramid represent
10% Energy passing up the pyramid
In order to maintain homeostasis your body sends out hormones to different organs to speed up, slow down and turn on and off different processes. The pancreas releases insulin, ovaries estrogen & testes testosterone. Which body system works with the Endocrine System to carry these hormones.
Circulatory
This system is like a highway transporting goods. It carries everything from oxygen from your lungs, food from your digestive tract and hormones from your endocrine system.
Circulatory
What are the two jobs of muscles
contract and relax
Name 4 systems that are a part of the excretory system
Digestive, Urinary, Respiratory, Integumentary
claws, sharp teeth, thick fur, fins
Examples of adaptations
The Endocrine System controls short and long term changes throughout your life. You are seeing this now during puberty. The pituitary gland regulates the release of hormones and specifically controls ___________.
growth
Name the 5 jobs of the skeletal system
structure, movement, storage, protection, RBC production
Why do we need 3 different types of muscle tissue
Different structures have different functions
Name the structures that filter blood, what is the filtered substance called and name the structure that carries it to the bladder.
Kidneys, urine, ureters
Producers, first level consumer, second level consumer. Name 3 organisms that would form this pyramid.
Answers will vary:
Must be a Producer, Consumer, Consumer
During puberty an egg is released once per month in order to prepare for fertilization from a sperm cell. Name the 3 structures that have functions in an eggs path as it travels to where it will develop over 9 months into a baby, if sexual reproduction occurs.
ovary, fallopian tube, uterus