Animal Bodies and Homeostasis

These flashcards cover key concepts related to animal bodies and homeostasis, including tissue types, organ systems, transport at the cellular level, and mechanisms of homeostatic regulation.

A tissue is an association of specialized cells that have a __ structure and function.

similar

The four main types of animal tissues are muscle tissue, nervous tissue, __ tissue, and connective tissue.

epithelial

Skeletal muscle is usually linked to __ via tendons or to exoskeleton.

bones

Smooth muscle surrounds hollow tubes and cavities and its contraction and relaxation __ fluids through tubes.

pushes

Cardiac muscle consists of connected cells that and in unison.

contract, relax

Nervous tissue is made up of cells called __ that initiate and conduct electrical signals.

neurons

The function of epithelial tissue is to cover the body or line walls of __.

organs

Connective tissues connect, support, surround, and __ body structures.

anchor

An organ is a structure made up of __ or more kinds of tissue.

two

Organ systems are groups of organs that function together to __ a task.

accomplish

Substances move __ their concentration gradients from areas of high concentration to areas of lower concentration.

down

The movement of water down its concentration gradient is known as __.

osmosis

Maintaining homeostasis is an __ process that involves compensatory mechanisms.

active

Conformers match body parameters to __ conditions.

environmental

In homeostatic control systems, the __ monitors the level of the variable.

sensor

Control via negative feedback ensures that a change in the variable results in physiological responses that move it in the __ direction.

opposite

Endotherms maintain body temperature via __.

metabolism

Heat exchange occurs through __, evaporation, conduction, and convection.

radiation

Shivering thermogenesis is heat produced through rapid contraction of __ muscles.

skeletal