What does the endocrine system use to send messages?
Hormones
What is the main difference between prokaryotic and eukaryotic cells?
Eukaryotes have a true nucleus
Which organelle is the “powerhouse” of the cell?
Mitochondria
What structure is found only in plant cells?
Cell wall
What is the main function of the nervous system?
Send and receive signals
Hormones travel through the ______.
Bloodstream
What size are eukaryotic cells? They are usally ______ than prokaryotic cells.
Larger
Which organelle controls all cell activities
Nucleus
What gives plant cells their rectangular shape?
Cell wall
The brain and spinal cord make up the ______
Central nervous system
Which gland is called the “master gland”?
Pituitary
Name a prokaryotic organism?
E.Coli
Ribosomes are responsible for making ______.
Proteins
What organelle allows plants to make their own food?
Chloroplast
What part of the neuron receives signals?
Dendrites
Which endocrine gland helps control blood sugar?
Pancreas
Name a eukaryotic organism?
plants, animals, fungi
Which organelle packages and ships proteins?
Golgi apparatus
Animal cells usually contain ______
Centrioles
A reflex is controlled mainly by the ______.
Spinal cord
How do hormones travel through the body?
In the bloodstream
Name some different types of cells in the body.
blood, skin, muscle, bone, stomach...
Which organelle breaks down waste and old cell parts?
Lysosome
What is inside the nucleus?
DNA
List two differences between the nervous and endocrine systems.
their method and speed of communication