Headphones are something you wear on your ears that let you listen to sound or music, and people around you cannot hear what you are listening to.
Headphones come in all shapes and sizes, from large ones like in the picture through to tiny earbuds you can barely see.
Your health is your general condition and well-being. If you are sick, you are in poor health. If you are feeling good, you are healthy.
The plants in the picture are very healthy.
You are healthy if you are in a state of good health. Healthy people and animals are in good condition, and are not sick or injured.
Healthy food is food that is good for you, and helps you to stay healthy.
A heap is a large pile of similar things, making a big mound. It is also a slang word for a lot of something, for example "I have a heap of homework to do tonight".
You use your ears to hear with. Hearing is a very important sense but it is possible to live very well when you cannot hear. Someone who cannot hear is deaf. Some people who are deaf never learn to talk so they communicate with sign language.
A hearse is a car that has been especially designed to be able to fit a coffin in the back, for transportation between a funeral home and a cemetery.
Before cars were invented, hearses were horse-drawn.
A hearth is the floor of a fireplace. The hearth usually is larger than the fireplace, and makes a small step in the front of the fireplace. It is there to protect the floor around the fireplace from burning embers.
