3.2.4 Cow Eye Dissection

What is the primary objective of the cow eye dissection activity as described in the document?

• To understand the function of the human eye by comparing it with a cow's eye

• To learn about the digestive system of cows

• To compare the cow eye with other animal eyes

• To practice dissection skills without specific learning outcomes

Tags

NGSS.MS-LS4-2

Which of the following is NOT listed as a material needed for the cow eye dissection?

• Microscope

• Dissection tray and tools

• Safety Glasses

• Flashlight/penlight/phone light

What is the primary function of the cornea in the human eye?

• To control the amount of light entering the eye

• To provide blood supply to the eye

• To process visual information

• To protect the eye from dust and particles

What fluid is released when an incision is made in the middle of the cornea?

• Vitreous humor

• Aqueous humor

• Tear fluid

• Blood

What is the function of myelin in the nervous system?

• Speeds up the transmission of electrical signals along the nerve cells

• Slows down the transmission of electrical signals

• Prevents the transmission of electrical signals

• Produces electrical signals in the brain

Which part of the brain is primarily responsible for processing visual signals received through the optic nerve?

• Cerebellum

• Frontal lobe

• Occipital lobe

• Temporal lobe

During the dissection, which part of the cow eye is carefully removed first to observe the internal structures?

• Cornea

• Retina

• Sclera

• Lens

What substance will the lens of the eye be suspended in when it is removed?

• Aqueous humor

• Vitreous humor

• Saline

• Water

Which part of the eye contains receptors for light and sight perception called rods and cones?

• Lens

• Cornea

• Retina

• Sclera

Which part of the eye is the point at which all nerves from the retina converge into the optic nerve?

• Myelin

• Optic Disk

• Retina

• Iris