Human Systems Vocabulary

Tiny air sac in the lungs, surrounded by capillaries, where oxygen and carbon dioxide are exchanged...

• symptoms

• alveoli

• osteoblasts

• platelets

Tags

NGSS.MS-LS1-3

The organs and structures that process food in the body...

• digestive system

• endocrine system

• excretory system

• autonomic nervous system

Tags

NGSS.MS-LS1-7

A spongy material found in the center of most bones...

• cell

• homeostasis

• stimuli

• bone marrow

A protein that regulates chemical reactions...

• smooth muscle

• arteries

• enzymes

• white blood cells

Tags

NGSS.HS-LS1-1

A connective tissue in joints between bones...

• cartilage

• stimuli

• arteries

• neurons

The system of blood vessels and organs that transports blood to the cells in the body...

• nervous system

• respiratory system

• circulatory system

• skeletal system

A blood cell that defends the body against disease...

• red blood cell

• white blood cell

• platelets

• osteoblasts

A muscular organ that pumps blood...

• heart

• lungs

• veins

• stimuli

The fluid part of blood containing red blood cells, white blood cells, and platelets...

• platelets

• plasma

• red blood cells

• white blood cells

A system of bones that provides structure, assists movement, and protects the main organs of the nervous system...

• circulatory system

• digestive system

• nervous system

• skeletal system