Physiology - Exam 1

natural phenomena

Science is the mechanism for learning about ________ through observation and experimentation.

Fats

________ often made of triglycerides; includes steroids, phospholipids.

chemical reactions

All ________ that occur within an organism.

tissues

Cells makes up ________, which makes up organs, which makes up organ systems.

Autotrophs

________ are able to make their own food through photosynthesis while heterotrophs can not make their own food and consume ________.

Any chemical messenger

________ produced by neuron.

Enzymes

________ act as a catalyst to lower the activation energy needed for a reaction.

Non science

(Theory, hypothesis) ________ is any system of knowledge or thought that can not be addressed by the scientific method.

product of a reaction leads to an increase in reaction (lactation

child stimulates milk production which causes further production)

Body cavities

cranial, thoracic, abdominopelvic

Body Fluid

Extracellular fluid (blood plasma, intersitial fluid), Cells (intracellular fluid)

form direct cytoplasmic connections between adjacent cells; found in

multi-unit smooth muscle

require interaction between membrane molecules on two cells; N-CAMs

nerve cell adhesion molecules

2 types

catecholamines and thyroid hormones; modifications of single amino acids; released from cell via exocytosis