(02.04 LC)Which type of muscle tissue forms the lining for many organs?

(03.04 MC)During which part of the nerve impulse does the slightly negative charge inside the neuron switch to an overall positive charge?

(03.03 HC)A pregnant person opts to have an epidural during labor to prevent intense pain. An epidural is a procedure that injects numbing medication directly into the space around the spinal nerves in a specific location in the spine, usually the lumbar region for childbirth. People with an epidural are still able to sit up, stay awake, and talk to others, but they cannot walk or feel anything from the waist down. Thinking about the parts and functions of the nervous system, which of the following is the best explanation of how the epidural works?

(02.02 MC)Why does compact bone have canaliculi, but spongy bone does not?

(02.04 MC)Jax was studying a sample of muscle tissue under a microscope. He noticed that the muscle tissue he was examining had striation and a single nucleus. Which of the following types of muscle tissue did he observe?

(03.03 LC)Which component of a reflex arc is responsible for detecting potential danger, such as a burning hot stovetop?

(02.01 LC)Examine the image below.© 3DScience.com 2013Which letter is pointing to the biceps brachii muscle?

(03.04 LC)Which part of the nervous system is the chemical messenger for nerve impulses?

(03.03 MC)Tasting a new flavor of a popular sports drink would stimulate which division of the nervous system?

(02.04 LC)Which of the following skeletal muscle parts slide together, allowing the muscle to contract?