5- Differentiate between the following on the basis of
word/s given in the bracket.
[8]
1. Sensory nerve and Motor nerve. [function]
2. Optic nerve and Olfactory nerve. [from where they arise]
3. Nervous coordination and Chemical coordination, [definition]
4. Spinal cord and Medulla oblongata. [function]
Answers
Answer:
1.? ★The main function of the sensory nervous system
❥ is to inform the central nervous system about stimuli impinging on us from the outside or within us.
★The main function of the motor nervous system
❥These nerves control your movements and actions by passing information from your brain and spinal cord to your muscles.
2.? ★The Optic nerve
❥The optic nerve begins at the optic disk, a structure that is 1.5 mm (0.06 inch) in diameter and is located at the back of the eye.
3.? ★The Nervous coordination
❥The nervous system is the part of an animal's body that coordinates its behavior and transmits signals between different body areas.
★The Chemical coordination
❥ It is the type of coordination present between the cells or different organs within the body of multicellular organisms
4.? ★The function of Spinal cord
❥ The brain and spinal cord are your body's central nervous system. The brain is the command center for your body, and the spinal cord is the pathway for messages sent by the brain to the body and from the body to the brain.
★The function of Medulla oblongata
❥ The medulla oblongata is the lowest part of the brain. It acts as the control center for the function of the heart and lungs. It helps regulate many important functions, including breathing, sneezing, and swallowing.