Organization
What is the smallest indivisible unit?
Atom
True or False:
Lipids are also called fats.
True
A process where an organism maintains internal conditions.
Homeostasis
Protective covering on the outside of the body.
Integumentary System
Skin
Integumentary System
What is a collection of organs that work together called?
Organ System
True or False:
Nucleic Acids are the monomers of proteins.
False
A virus that causes the body temperature to rise in an example of a __________ stimulus.
Internal
Gathers information and sends messages around the body.
Nervous System
Brain, Spinal Cord, and Nerves
Nervous System
Example.) Water (H2O), Carbon Dioxide (CO2)
Molecule
Which macromolecule is used for short-term energy?
Carbohydrate
The heat from the sun causing someone to sweat is an example of an _______________ stimulus.
External
Transports blood around the body.
Cardiovascular/Circulatory
Trachea, Diaphragm, Lungs
Respiratory System
Put the following words in order from smallest to largest: cell, organ system, organs, tissue, organism
cell, tissue, organ, organ system, organism
An enzyme speeds up chemical reactions. An enzyme is an example of which macromolecule?
Protein
Reaction to a stimulus.
Response
Recognizes and attacks foreign substances.
Immune System
How do the lungs maintain homeostasis?
Take in oxygen and expel carbon dioxide.
Put the following words in order from smallest to largest: organelle, macromolecule, cell, atom, molecule
Atom, Molecule, Macromolecule, Organelle, Cell
Which SPECIFIC macromolecule breaks down food into smaller molecules?
Enzymes
a. DNA replication
b. Blood coagulation
c. Temperature regulation
C. Temperature regulation
Secretes hormones that regulate growth, development, and homeostasis.
Endocrine System
Kidneys maintain homeostasis by removing water and waste from blood. What would happen if they stopped working?
Decrease in urine production.