Cells and Size of things

Front

In the human body, how many types of different cells are there?

Back

200 types of different cells, including skin and heart cells.

Front

What are the four main atoms that make up 99% of all living things?

Back

Hydrogen (H), Oxygen (O), Nitrogen (N), and Carbon (C).

Front

What category in the size of things does a whole kidney belong to?

Back

Organ.

Front

Which of the following is NOT considered a small molecule: Water, Carbon Dioxide, DNA, or Breathable Oxygen?

Back

DNA.

Front

What organ is part of the cardiovascular organ system?

Back

Heart.

Front

What is the basic unit of life?

Back

Cell.

Front

What is the function of the cell membrane?

Back

To protect the cell and control what enters and exits.

Front

What is the difference between an organ and an organ system?

Back

An organ is a structure made up of tissues that perform a specific function, while an organ system is a group of organs that work together to perform complex functions.

Front

What is the smallest unit of matter?

Back

Atom.

Front

What is the role of DNA in cells?

Back

DNA contains the genetic instructions for the development and function of living things.