Body Systems

All of the organs in the organ system have which of these in common?

• They all have the same exact function.

• Humans could not survive without them.

• Each of the organs is made from individual cells.

• All of the organs make up the respiratory system.

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NGSS.MS-LS1-3

What is the main purpose of the organ system shown above?

• receives stimuli, integrates information, and directs the body

• transports nutrients, gases, hormones, and wastes through the body

• provides support for the body and protects delicate internal organs

• provides mobility and controls the movement of materials through some organs

The chart shows parts of the body at different levels of organization.

Which picture can BEST be used to fill in box S?

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Tags

NGSS.MS-LS1-3

Take a deep breath. Where does that air you breath in go? It goes into your lungs, but that's not the end! Your circulatory system helps to move the oxygen to all of your cells. What carries the oxygen to every cell in your body?

• blood

• food

• heart

• veins

The __________ system works with the nervous system to protect important organs such as the brain and spinal cord.

• skeletal

• lymphatic

• cardiovascular

• endocrine

Multicellular organisms have five levels of organization ranging from simplest to most complex. The simplest level is the cell. The most complex level is the organism. Consider the examples. Which one correctly gives an example of the other three levels in order from simplest to most complex?

• blood → cardiac muscle → heart

• heart → cardiovascular system → organism

• leukocytes (white blood cells) → veins → spleen

• smooth muscle → arteries → cardiovascular system

Tags

NGSS.MS-LS1-3

Body systems interact with one another to carry out life processes. When we eat food, it is broken down into nutrients that can then be used by body cells for metabolic processes and building cellular structures. Many body systems are involved in this process. Select the body systems that would NOT be involved in the breakdown and utilization of nutrients.

• muscular system

• digestive system

• respiratory system

• circulatory system

• integumentary system

Tags

NGSS.MS-LS1-3

NGSS.MS-LS1-7

Most body systems maintain homeostasis through

• cyclic feedback

• neutral feedback

• positive feedback

• negative feedback

Tags

NGSS.HS-LS1-3

MMMMMM! Dinner's cooking. It smells so good! Soon we'll be eating some chicken and dumplings and our digestive system will get to work on the food we eat. What body system helps to move the food we eat through the digestive system?

• muscular system

• response system

• circulatory system

• respiratory system

We eat food, like the chicken and dumplings, for nutrients and energy. Once your food is digested, what body system works to move the nutrients from your food to all the various parts of your body?

• muscular system

• excretory system

• respiratory system

• cardiovascular system