Download BILL NYE CELLS There are about ______ trillion cells in the human

BILL NYE CELLS
1- There are about _____________ trillion cells in the human body.
2- If more new cells are formed than old cells that die, your body will _____________.
3- The word membrane means _______________
_____________.
4- Humans have _______ pairs of chromosomes.
5- Seeds don’t look alive, because they are ___________
_________. When water is added, however, they grow.
6- Hemoglobin is a molecule found in red blood cells that turns _____________ when the cell is carrying oxygen.
7- _____________ cells are the only type of cells that can’t be replaced. They don’t grow back when they are
injured. That is why spinal cord injuries usually cause permanent paralysis.
8- True or False Muscle cells and skin cells have different jobs, so they look different and have different shapes, but
they are both considered cells.
9- True or False Organisms could never be made of just one cell because a single cell could never move, grow,
respond, reproduce, and metabolize all by itself.
10- The process where water molecules move across a membrane from high concentration to low concentration is
called ____________________.
(Hint: think of the balloon with the vanilla inside.)
BILL NYE CELLS
8- There are about _____________ trillion cells in the human body.
9- If more new cells are formed than old cells that die, your body will _____________.
10- The word membrane means _______________
_____________.
11- Humans have _______ pairs of chromosomes.
12- Seeds don’t look alive, because they are ___________
_________. When water is added, however, they grow.
13- Hemoglobin is a molecule found in red blood cells that turns _____________ when the cell is carrying oxygen.
14- _____________ cells are the only type of cells that can’t be replaced. They don’t grow back when they are
injured. That is why spinal cord injuries usually cause permanent paralysis.
8- True or False Muscle cells and skin cells have different jobs, so they look different and have different shapes, but
they are both considered cells.
9- True or False Organisms could never be made of just one cell because a single cell could never move, grow,
respond, reproduce, and metabolize all by itself.
10- The process where water molecules move across a membrane from high concentration to low concentration is
called ____________________.
(Hint: think of the balloon with the vanilla inside.)