Organisation

Flashcards covering key concepts from biology related to tissues, enzymes, and organ systems.

When similar cells are connected, we call this a __.

tissue

Tissues form __, like the heart.

organs

The __ system breaks down food into nutrients.

digestive

Bile is made in the and stored in the .

liver; gallbladder

Enzymes are biological __ that help break down larger molecules.

catalysts

Amylase is an enzyme that breaks down __ into glucose.

starch

Proteases break down __ into amino acids.

proteins

The substrate must be the right shape to fit the __ of the enzyme.

active site

The optimum rate of enzyme activity occurs at the __ temperature.

optimum

Iodine turns from yellow to black in the presence of __.

starch

The __ system is responsible for breathing and gas exchange.

respiratory

The heart is at the center of the __ system.

circulatory

Blood vessels that go away from the heart are called __.

arteries

CHD stands for __ heart disease.

coronary

Transpiration is the process of water moving __ the plant.

up

The waterproof waxy __ prevents water loss from the leaf.

cuticle