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20 Cards in this Set

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Anatomy

The study of the structure and the relation between body parts

Physiology

THe study of the function of the body parts and the body as a a whole.

Atom

Smallest unit of matter

Cell

Smallest unit in life

Organelle

within the cell are specialized bodies performing specific cellular functions. Example mitochondria.

Tissue

A tissue is a group of similar cells performing a common function. Muscle tissue, for example, consists of muscle cells.

Organ

An organ is a group of different kinds of tissues working together to perform a particular activity. The heart is an organ composed of muscle, nervous, connective, and epithelial tissues.

Homeostasis

A characteristic of all living systems is homeostasis, or the maintenance of stable, internal conditions within specific limits. In many cases, stable conditions are maintained by negative feedback.

(-) feedback

In negative feedback, a sensing mechanism (a receptor) detects a change in conditions beyond specific limits.

Hox genes

Define body segments

GlucagonπŸ“‰

When blood sugar is low glucagon will break down glucose and let blood glucose levels increase into the blood stream.

Insulin πŸ“ˆ

When blood sugar levels are high, insulin will take up glucose and enter it into the cell, decreasing the amount of blood glucose levels in the blood.

Insulin πŸ“ˆ

When blood sugar levels are high, insulin will take up glucose and enter it into the cell, decreasing the amount of blood glucose levels in the blood.

What are body planes

Imaginary lines used for reference.

Insulin πŸ“ˆ

When blood sugar levels are high, insulin will take up glucose and enter it into the cell, decreasing the amount of blood glucose levels in the blood.

What are body planes

Imaginary lines used for reference.

Histology

The study of the tissues

Tissue

A group of cells that act together to perform a specific function.

Tissue

A group of cells that act together to perform a specific function.

Fours type of tissue

Epithelial connective muscular and nerve tissue.