Chpt 38 Into to Animal organization and physiology

Which of the following is an example of positive feedback in mammals?

the birth process

What kind of cell secretes most of the collagen and other proteins in loose connective tissue?

fibroblast

What is a primary characteristic of muscle tissue?

The ability to contract

Glands with ducts are known as _______.

exocrine

How many major organ systems are found in vertebrates?

11

Which of the following statements about tissues is true?

A tissue is a group of cells with the same structure and function.

Which of the following statements about cartilage is true?

Chondrocytes are living cells in cartilage Cartilage is made up of a matrix of the glycoprotein chondroitin sulfate. Cartilage supports the larynx and trachea in humans. all of the choices

What is the function of the layer of glycoproteins called the basal lamina?

It fixes epithelium to underlying tissues.

How does smooth muscle differ from skeletal muscle?

Smooth muscle can maintain a contraction for a much longer time.

What is the function of ligaments?

They connect bones to each other

What kind of cell is specialized for fat storage?

adipocyte

Which of the following is not one of the four basic tissue groups found in animals?

adipose

Which of the following is found in a neuron?

axon cell body dendrite all of the choices

The organ most likely to function as an integrator in an animal is the _______.

brain

Cilia are often found on the free surface of cells in which basic tissue group?

epithelial

The maintenance of the internal environment in a stable state is called _______.

homeostasis

What fluid occupies the spaces between cells in multicellular animals?

interstitial fluid

What is the primary mechanism of homeostasis?

negative feedback

What kind of epithelial cells can be described as mosaic, flattened, and spread out?

squamous