Topic 1 ACS

Anatomy

The study of body structure

Physiology

The study of body function

Atoms

Building blocks of matter

Cells

Basic unit of life

Tissues

Groups of cells with a common structure and function.

Organ

group of tissues that work together to perform closely related functions

organ system

group of organs that work together to perform a specific function

Intergumentary system

Major organs: skin, hair, sweat glands, nails

skeletal system

Protects and supports body organs and provides a framework the muscles use to support movement. Made up of bones and joints

nervous system

the body's speedy, electrochemical communication network, consisting of all the nerve cells of the peripheral and central nervous systems

endocrine system

the body's "slow" chemical communication system; a set of glands that secrete hormones into the bloodstream

cardiovascular system

Blood vessels transport blood, which carries oxygen, carbon dioxide, nutrients, wastes, etc. The heart pumps blood.

lymphatic system

Composed of a network of vessels, ducts, nodes, and organs. Provides defense against infection.

respiatory system

breathing system of the human body

digestive system

Breaks down food into absorbable units that enter the blood for distribution to body cells.

urinary system

kidneys, ureters, urinary bladder, urethra

male reproductive system

serves to produce sperm and introduce them into the female body

female reproductive system

produces eggs for reproduction and provides place for growing baby.

DEFINITIVES OF HUMAN LIFE

Organization,Metabolism,Responsiveness,Movement,Development, and Reproduction