Which organ pumps blood throughout the entire body?
The heart.
Which part of the plant is responsible for absorbing water and minerals from the soil?
The roots.
How do bones and muscles work together to help you move?
Muscles pull on bones to create movement. Muscles can only pull, never push, which is why they often work in pairs to bend and straighten a joint.
What gas do plants take in from the air, and what gas do they release?
Plants take in carbon dioxide and release oxygen.
What is the difference between veins and arteries?
Arteries carry blood away from the heart, while veins carry blood back to the heart
What is the process plants use to make their own food?
Photosynthesis. Plants use sunlight, water, and carbon dioxide to create their own sugar (glucose) for energy.
What are the three main parts of the nervous system?
The brain, the spinal cord, and the nerves.
Reproduction.
What do red blood cells do?
They carry oxygen from the lungs to every cell in the body.
What pigment gives plants their green color and captures sunlight?
Chlorophyll.