REFERENCE: BODY SYSTEMS



Body Systems Reference Sheet

Created by Patrick Haney

I created this Body Systems Reference Sheet while I was teaching IPC (physical science) to help review my students for the state assessment. It was so beneficial that when I became a biology teacher I made it a primary part of my body systems unit. This reference sheet can be used with any worksheet you already have or as a study guide. There is also a set of 4 worksheets designed specifically to be used with this reference sheet that are also available.

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Body Systems Reference Sheet

Created by Patrick Haney

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Respiratory System

The respiratory system absorbs oxygen gas (O2) into the body which is needed for cellular respiration. The respiratory system also releases the waste product carbon dioxide (CO2) out of the body.

Digestive System

The digestive system breaks down food and absorbs nutrients needed for the growth and repair of the body. It is aided by bacteria that live in the intestines and help break down complex nutrients.

Nervous System

The nervous system collects and stores information from inside and outside the body. It controls the body’s actions and its responses to any changes. All five senses are part of the nervous system.

Skeletal System

The skeletal system gives your body structure needed for movement and protects your internal organs. It stores minerals and produces blood cells in the bone marrow.

Muscular System

The muscular system is responsible for all of the body’s movements, both voluntary (jumping, chewing, walking, etc.) and involuntary (breathing, stomach churning, heart pumping, etc.).

Circulatory System

The circulatory system distributes oxygen (hemoglobin molecules in red blood cells carries O2) and nutrients to the cells all over the body and carries carbon dioxide and waste away from the cells.

Heart

Lungs

Stomach

Brain

Spinal Cord

Nerve Cell

Skull

Arm Muscles

Immune System

The immune system is made of antibodies and white blood cells that protect your body from infection. HIV attacks a special type of white blood cell known as the Helper T cell.

Integumentary System

The integumentary system consists mainly of the skin. It serves as a protective barrier around your body preventing water loss and helping to control body temperature.

Endocrine System

The endocrine system produces chemical messengers called hormones that help maintain homeostasis and control growth and development.

Estrogen

Adrenaline

Testosterone

Skin

Antibodies

Excretory System

The excretory system removes waste from the body and helps the body maintain homeostasis by preventing the buildup of excess fluid and solid material within the body.

Reproductive System

The reproductive system produces the gamete cells required for sexual reproduction. The male gamete cells are known as sperm, and the female gamete cells are known as eggs.

Ovary

Uterus

Kidneys

Bladder

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