Structural Organisation in Animals: common misconceptions

If your child says… “One organ has just one kind of tissue.”

Ask together

Which part lines the gut, and which part squeezes it?

What’s true

An organ needs different tissues working together to perform its jobs.

If your child says… “Frogs drink water through their mouths.”

Ask together

Which exposed surface could take in water while the mouth stays closed?

What’s true

Frogs take in the water they need across their moist skin.

If your child says… “The stomach finishes all digestion.”

Ask together

Why would the intestine receive digestive juices if the stomach had finished everything?

What’s true

Pancreatic and intestinal enzymes continue digesting food after it leaves the stomach.

If your child says… “Frogs use their lungs to get oxygen from water.”

Ask together

Which surface touches water along the route you traced?

What’s true

Dissolved oxygen crosses moist skin into blood while a frog is submerged.

If your child says… “The bladder makes urine.”

Ask together

Which organ needs the working units that remove waste from blood?

What’s true

Nephrons belong to kidneys; the bladder holds urine that has already formed.

If your child says… “Hormone glands send nerve impulses.”

Ask together

Which connection leads away from the gland in your sketch?

What’s true

Hormones travel in blood, while nerve impulses travel along nerve cells.

If your child says… “Female eggs pass through the kidneys too.”

Ask together

Does the female egg route enter a kidney anywhere?

What’s true

Ovaries lie near kidneys, but eggs enter separate oviducts without travelling through kidneys.