skin n bones , solar system

What is the hollow space in the middle of a bone filled with!?

• Marrow

• Air

• Blood

• Solid Bone

Answer explanation

What is a scientist who studies the body called?

• Meteorologist

• Veterenarian

• Physiologist

• Biologist

Answer explanation

Physiologists are scientists that study the human body, whereas veterinarians study animals and geologists study the earth.

What provides information to your brain about external conditions?

• Bones

• Heart

• Blood vessels

• Nerve Receptors

Which of the following does a skeleton NOT do?

• Communicate with the body

• Protect the body

• Helps the body move

• Supports the body

Answer explanation

The correct answer is communicate with the body. The nervous system is in charge of communicating with the body. The three main functions of the skeletal system are protection, movement, and support.

What is connected to your bones to help them move?

• Muscles

• Other bones

• Blood

• Brain

How many bones does an adult human have?

What type of joint do we have in our elbows and knees?

• A hinge joint

• A ball and socket joint

• A gliding joint

• Immovalble joint

Answer explanation

The correct answer is a hinge joint. Our elbows and knees have a hinge joint. The hinge joint moves in two directions just like the hinge on a door.

What is the scientific or medical name for the skull?

• Humerous

• The Cranium

• The Femur

• The Gluteous Maximus

Answer explanation

The scientific name for the skull is the cranium.

Which of the following organs is also a muscle?

• The kidney

• The lungs

• The brain

• The heart

Answer explanation

The heart is also a muscle, which is how it is able to pump blood throughout our body.

Which of the following organs is also a muscle?

• The kidney

• The lungs

• The brain

• The heart

Answer explanation

The heart is also a muscle, which is how it is able to pump blood throughout our body.