Third Exam; Animals Flashcards
What four things evolved over time in all animals besides sponges?
Symmetry, tissues, size, and metabolism
What names differentiate sponges from all other animals?
Parazoa (sponges) and Eumetozoa
What is a sagittal plane?
The plane that divides the body into left and right portions
What is a midsagittal plane?
Divides the body evenly into left and right halves
What is a frontal/coronal plane?
Divides the body from front and back
What is a transverse plane?
Divides the body into top and bottom
What kinds of animals have a higher BMR?
Small, active animals
What are the four types of tissues?
Epithelia, connective tissues, muscles, and neurons
What do epithelia tissues do?
Line cavities, open spaces, and surfaces
What do connective tissues do?
Connect tissues together, provide support
What do muscles do?
Generate movement
What do neurons do?
Generate and send electrical signals
What are the three types of epithelial cells?
Squamous, cuboidal, and columnar
What are the two types of membranes?
Mucous and serous
Mucous membrane has _____ cells
Goblet
Define mucous membrane
Lines a body cavity that opens to the outside of the body
What are the two types of glands?
Endocrine and exocrine
What makes up serous membranes?
It consists of simple squamous epithelium over a thin layer of loose connective tissue
Define endocrine gland
They release hormones into the interstitial fluid or blood
What’s an example of an endocrine gland?
Thyroid gland
Define exocrine gland
Secrete products onto a free epithelial surface, typically through a duct
What are two examples of exocrine glands?
Goblet cells, sweat glands
