Brain Basics
Nerves And Signals
Male Reproductive System
Female Reproductive System
Fun Facts
100

This part of the brain controls balance and coordination.

What is the cerebellum?

100

Cells that carry messages throughout the body.

What are neurons?

100

This organ produces sperm.

What are the testes?

100

The organ where a baby develops during pregnancy.

What is the uterus?

100

The nervous system communicates through electrical and _____ signals.

What are chemical signals?

200

This largest part of the brain controls thinking, memory, and voluntary movements.

What is the cerebrum?

200

This chemical helps neurons send messages across synapses.

What is a neurotransmitter?

200

This tube carries sperm from the testes to the urethra.

What is the vas deferens?

200

These structures produce eggs in females.

What are the ovaries?

200

True or False: Females are born with all the eggs they will ever have.

What is True?

300

The brain and spinal cord make up this major part of the nervous system.

What is the central nervous system?

300

The gap between two neurons is called this.

What is a synapse?

300

The male reproductive cell.

What is sperm?

300

This tube carries eggs from the ovary to the uterus.

What is the fallopian tube?

300

About how many neurons are in the human brain?

What is about 86 billion?

400

This brain structure controls vital functions like breathing and heart rate.

What is the brainstem?

400

These neurons carry information from the senses to the brain.

What are sensory neurons?

400

This gland produces a fluid that protects and nourishes sperm.

What is the prostate gland?

400

The monthly process of shedding the uterine lining.

What is menstruation?

400

This structure connects the two hemispheres of the brain.

What is the corpus callosum?

500

The outer layer of the cerebrum is called this.

What is the cerebral cortex?

500

The insulating layer that speeds up signal transmission along a neuron.

What is the myelin sheath?

500

The process of sperm production is called this.

What is spermatogenesis?

500

The female reproductive cell.

What is an egg (or ovum)?

500

This part of the brain is responsible for forming new memories.

What is the hippocampus?