LS1.5

Messages are carried back and forth between the brain and other parts of the body by:

• Respiratory system

• Nervous system

• Circulatory system

• Digestive system

The diagrams show two organ systems in the human body. What do these two systems have in common?

• They both remove solid waste from the body.

• They both take in needed materials from outside the body.

• They work together to deliver oxygen to the body's cells.

• They control the body's growth, development, and energy processes.

Tags

NGSS.MS-LS1-3

Some houses, like the unfinished one in the picture below, are built on wooden frames. The house's frame holds up its roof and keeps the lights, water pipes, windows, and doors fixed in place. The interior and exterior wall materials also attach to the frame. Which role of the skeletal system is best modeled by the wooden frame of a house?

• Storing minerals

• Allowing movement

• Supporting the body

• Producing blood cells

According to the Cell Theory, all cells come from?

• pre-existing cells

• soil

• water

• chemical reactions

Which of the following is in order from simplest to most complex?

• organ, tissue, cell, organ system

• organ system, organ, tissue, cell

• cell, tissue, organ, organ system

• cell, organ, organ system, tissue

Which of the following is made of cells?

• a rock

• a snowflake

• a raindrop

• a leaf

Tags

NGSS.MS-LS1-1

Cells can only come from:

• minerals

• water

• carbohydrates

• other cells

Tags

NGSS.MS-LS1-1

Cell Theory states that all __________ are made of cells.

• atoms

• molecules

• non-living things

• living things

Tags

NGSS.MS-LS1-1

Cells are the building blocks of:

• living things

• matter

• energy

• rocks

Tags

NGSS.MS-LS1-1

The simplest structures that can carry out all of the activities characteristic of life are?

• atoms

• cells

• molecules

• crystals

Tags

NGSS.MS-LS1-1