front 1 What does the central nervous system consist of? | back 1 The brain and spinal cord; acts as the command center for all communication and actions of the body. |
front 2 What does the peripheral nervous system consist of? | back 2 Nerves and ganglia that branch out from the brain and spinal cord to the rest of the body, allowing signals sent by the brain to reach their target destinations. |
front 3 What does the autonomic nervous system control? | back 3 Involuntary actions. |
front 4 What does the somatic nervous system control? | back 4 Voluntary actions. |
front 5 What do sensory nerves do? | back 5 Send messages to the brain. |
front 6 Name the three types of muscles: | back 6 Skeletal, cardiac, and smooth. |
front 7 Where can smooth muscles be found? | back 7 In the walls of hollow organs, such as the stomach and intestines; in the walls of blood vessels… Smooth muscles is the weakest of all muscle tissues. |
front 8 What are tendons? | back 8 Tough connective tissue that attaches muscle to bone. |
front 9 What is a sarcomere? | back 9 The contracting unit of a muscle. |
front 10 What is myosin? | back 10 The thick filaments in a muscle cell. |
front 11 What is actin? | back 11 The thin filaments in a muscle cell. |