What is the main function of red blood cells?
To transport oxygen to other cells in the body.
To store fat for energy
To help the body's muscles move.
To fight off infections.
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 are able to move independently.
They have a thick cell wall.
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.
All of the above
Skeletal muscle cells
Smooth muscle cells
Cardiac 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 allow them to move more easily.
To give them a unique shape.
To make room for a large fat droplet.
Which of the following is NOT a function of fat cells?
Creating fibers that form solid bone.
Serving as an energy reserve.
Providing a layer to keep us warm.
Storing fat droplets.
What do bone cells use tiny gaps for?
To store fat.
To fight infections.
To help the bone become flexible.
To connect with other bone cells for nutrients.
What is the main function of leaf cells in a plant?
To absorb sunlight to produce nutrients.
To carry water up to the rest of the plant.
To carry nutrients down from the leaves.
To collect water and minerals from the soil.
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.
Leaf cells
Phloem cells
Xylem cells
Root hair 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?
Plant cells have chloroplasts and a cell wall, while animal
Animal cells have a nucleus, while plant cells do not.
Animal cells carry oxygen, while plant cells do not.
Animal cells have a cell wall, 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?
Long and thin, working in bundles.
Small and spindle-shaped.
They create fibers that mineralize to form solid bone.
Found in the heart and linked together.
Which of the following is an example of an involuntary muscle?
Skeletal muscle
Cardiac muscle
Tricep muscle
Bicep 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 protect the root from damage.
To increase the surface area for absorbing water and mineral
To transport nutrients down from the leaves.
To help the plant stand up straight.
Which of the following would be an example of a voluntary muscle action?
Your heart beating.
Lifting your hand.
Blinking your eyes.
Digesting food.
What is the purpose of the cell wall in a plant cell?
To absorb sunlight.
To give the cell a rigid, supportive structure.
To help transport water and minerals.
To store energy.
What is the name of the green pigment inside plant leaf cells that absorbs sunlight? **hint** It's the pigment that makes plants green!
Hemoglobin
Cytoplasm
Chlorophyll
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.
So that each cell can perform all of the body's functions
To allow for the efficient completion of complex tasks.
To make the body look more colorful.
To make the body heavier and stronger.
