Answer:
4 Cornea
Explanation:
The cornea is the white cell covered your eyes
C...the animals will be attracted to eat the fruit and then spit out the seeds causing new life to grow
Answer:Valves stop blood flowing backwards
Explanation: Valve are flags of tissue that control the direction of the blood in our heart.,it prevent the backwards flow of blood. valves regulate blood from flowing back into the atria.The right and left atrio-ventricular valves prevent blood from flowing backwards into atria. When the ventricle is full,the valve prevent backwards flow of blood.
