This part of the brain controls balance and coordination.
What is the cerebellum?
Cells that carry messages throughout the body.
What are neurons?
This organ produces sperm.
What are the testes?
The organ where a baby develops during pregnancy.
What is the uterus?
The nervous system communicates through electrical and _____ signals.
What are chemical signals?
This largest part of the brain controls thinking, memory, and voluntary movements.
What is the cerebrum?
This chemical helps neurons send messages across synapses.
What is a neurotransmitter?
This tube carries sperm from the testes to the urethra.
What is the vas deferens?
These structures produce eggs in females.
What are the ovaries?
True or False: Females are born with all the eggs they will ever have.
What is True?
The brain and spinal cord make up this major part of the nervous system.
What is the central nervous system?
The gap between two neurons is called this.
What is a synapse?
The male reproductive cell.
What is sperm?
This tube carries eggs from the ovary to the uterus.
What is the fallopian tube?
About how many neurons are in the human brain?
What is about 86 billion?
This brain structure controls vital functions like breathing and heart rate.
What is the brainstem?
These neurons carry information from the senses to the brain.
What are sensory neurons?
This gland produces a fluid that protects and nourishes sperm.
What is the prostate gland?
The monthly process of shedding the uterine lining.
What is menstruation?
This structure connects the two hemispheres of the brain.
What is the corpus callosum?
The outer layer of the cerebrum is called this.
What is the cerebral cortex?
The insulating layer that speeds up signal transmission along a neuron.
What is the myelin sheath?
The process of sperm production is called this.
What is spermatogenesis?
The female reproductive cell.
What is an egg (or ovum)?
This part of the brain is responsible for forming new memories.
What is the hippocampus?