Body Systems
What system sends and receives messages?
The nervous system.
What organ acts like a pump to move blood?
The heart.
What plant structure supports a plant like a skeleton supports animals?
The stem.
What do many invertebrates use for support/protection?
An exoskeleton.
What should be drawn near the bladder in the diagram?
The kidneys.
What organ controls almost all nervous system messages?
The brain.
What organ filters waste from blood to make urine?
The kidneys.
A cactus stem is most similar to what part of another plant?
A tree trunk.
What structure do mammals use to breathe?
Lungs
Why should kidneys be shown close to the bladder in a diagram?
Because kidneys make urine, and the bladder stores urine.
What system includes the heart and blood vessels?
The circulatory system.
What organ produces digestive juices and helps digestion like the liver?
The pancreas.
What is one disadvantage of a large leaf?
It needs more water.
Which group besides fish uses gills to breathe?
Young amphibians.
Where do the bones and muscles meet in the leg?
At the hip, knee, and ankle joints.
Which muscle type is only found in the heart?
Cardiac muscle.
What organ stores urine until it leaves the body?
The bladder.
Why are pine needles helpful to pine trees?
They help the tree store/save water.
What structure in animals is similar to a plant stem?
The skeleton.
(both provide support)
Which nearby organ has a similar function to the liver in helping with digestion?
The pancreas.
Which organ controls blood sugar levels in your body?
The pancreas.
Which organ is compared to a stretchy bag because it expands and squeezes food?
The stomach.
What group of animals has young that breathe with gills?
Young amphibians.
Why don’t pine trees use wide, flat leaves?
They would lose too much water.
How should the leg be drawn for accuracy—one bone and one muscle or several?
Several muscles and several bones.