Support and Movement
What body system, made of bones, gives your body its shape and protects internal organs?
The skeletal system
Which major body system includes your brain, spinal cord, and a network of nerves?
The nervous system
Which muscular organ acts as a pump to move blood through your entire body?
The heart
Which body system breaks down food so your body can absorb fuel and nutrients?
The digestive system
What is the main purpose of the human reproductive system?
To create offspring and pass on genetic information
What body system works together with your bones to allow you to run, jump, and move?
The muscular system
Which body system uses chemical messengers called hormones to send slow, long-lasting signals through the body?
The endocrine system
What type of blood cells carries oxygen from your lungs to the rest of your body?
Red blood cells
Which pair of bean-shaped organs filters waste and extra water from your blood to make urine?
The kidneys
What are the male reproductive cells called?
Sperm
What smooth, flexible tissue covers the ends of bones at your joints to cushion them?
Cartilage
What is the main control center and organ of the nervous system?
The brain
What type of blood cells helps your body fight off germs, bacteria, and infections?
White blood cells
What long, coiled organ does most of the work of absorbing nutrients from the food you eat?
The small intestine
What are the female reproductive cells called?
Eggs (or ova)
What strong type of connective tissue attaches your muscles to your bones?
A tendon
What gland sits at the base of the brain and is called the master gland because it controls other glands?
The pituitary gland
What are the smallest blood vessels in your body where oxygen and nutrients pass into your tissues?
Capillaries
Which major organs take oxygen out of the air you breathe and put it into your blood?
The lungs
In female anatomy, where does a fertilized egg implant and grow into a baby during pregnancy?
The uterus (womb)
What tough band of connective tissue connects one bone to another bone at a joint?
A ligament
Which organ produces insulin to help control the sugar levels in your blood?
The pancreas
Which body system works with white blood cells to trap germs and defend the body against illness using lymph fluid?
The lymphatic system
What large organ in the upper right abdomen produces bile to help break down fats?
The liver
What is the scientific term for the moment when a sperm cell successfully joins with an egg cell?
Fertilization