# Question 1 What are the three types of muscle tissue and where are they found in the body? - **Skeletal muscle**: attached to bones and responsible for voluntary movements - **Cardiac muscle**: found in the heart and responsible for pumping blood - **Smooth muscle**: found in the walls of hollow organs such as blood vessels, stomach, intestines, bladder, uterus and responsible for involuntary movements # Question 2 What are the two main divisions of the nervous system and what are their functions? - **Central nervous system (CNS)**: consists of the brain and spinal cord and processes sensory and motor information - **Peripheral nervous system (PNS)**: consists of the cranial and spinal nerves and connects the CNS to the rest of the body # Question 3 What are the five special senses and what are their receptors? - **Vision**: photoreceptors in the retina of the eye - **Hearing**: mechanoreceptors in the cochlea of the inner ear - **Balance**: mechanoreceptors in the vestibule and semicircular canals of the inner ear - **Smell**: chemoreceptors in the olfactory epithelium of the nose - **Taste**: chemoreceptors in the taste buds of the tongue