What is the main function of red blood cells?
To transport oxygen to other cells in the body.
To help the body's muscles move.
To fight off infections.
To store fat for energy
What characteristic makes red blood cells unique from most other animal cells? *hint* The absence of a certain part of the cell allows it to carry more oxygen.
They lack a nucleus.
They have a thick cell wall.
They are able to move independently.
They are the largest cells in the body.
Which type of muscle cell is found in the heart? **hint** The name of this cell is a clue to its location. Think about the heart.
Cardiac muscle cells
All of the above
Smooth muscle cells
Skeletal muscle cells
Why do fat cells have their nucleus and cytoplasm pushed to the side? **hint** Consider the main purpose of a fat cell.
To help them connect with other cells.
To give them a unique shape.
To allow them to move more easily.
To make room for a large fat droplet.
Which of the following is NOT a function of fat cells?
Storing fat droplets.
Creating fibers that form solid bone.
Serving as an energy reserve.
Providing a layer to keep us warm.
What do bone cells use tiny gaps for?
To help the bone become flexible.
To fight infections.
To store fat.
To connect with other bone cells for nutrients.
What is the main function of leaf cells in a plant?
To collect water and minerals from the soil.
To carry nutrients down from the leaves.
To absorb sunlight to produce nutrients.
To carry water up to the rest of the plant.
Which type of plant root cell is responsible for collecting water and minerals from the soil? **hint** The name of this cell is a clue to its shape.
Root hair cells
Leaf cells
Xylem cells
Phloem cells
What is the main difference between an animal cell and a plant cell? **hint** Think about what plants do that animals don't. How do they support themselves?
Animal cells have a nucleus, while plant cells do not.
Animal cells have a cell wall, while plant cells do not.
Plant cells have chloroplasts and a cell wall, while animal
Animal cells carry oxygen, while plant cells do not.
Which of the following describes a cardiac muscle cell? **hint** Where in the body can you find cardiac muscle cells?
Found in the heart and linked together.
Small and spindle-shaped.
They create fibers that mineralize to form solid bone.
Long and thin, working in bundles.
Which of the following is an example of an involuntary muscle?
Bicep muscle
Tricep muscle
Cardiac muscle
Skeletal muscle
What is the function of the tiny hairs on a root hair cell? **hint** Think about what root cells need to do and how their structure helps them.
To help the plant stand up straight.
To transport nutrients down from the leaves.
To increase the surface area for absorbing water and mineral
To protect the root from damage.
Which of the following would be an example of a voluntary muscle action?
Blinking your eyes.
Lifting your hand.
Your heart beating.
Digesting food.
What is the purpose of the cell wall in a plant cell?
To help transport water and minerals.
To give the cell a rigid, supportive structure.
To store energy.
To absorb sunlight.
What is the name of the green pigment inside plant leaf cells that absorbs sunlight? **hint** It's the pigment that makes plants green!
Chlorophyll
Hemoglobin
Cytoplasm
Melanin
Why is it important for the body to have a variety of specialized cells? **hint** Think about how a team works together to achieve a goal.
To allow for the efficient completion of complex tasks.
To make the body heavier and stronger.
To make the body look more colorful.
So that each cell can perform all of the body's functions
