A caretaker is someone who is responsible for taking care of something or someone. They might be a family member, a friend, or a hired professional.
Gatherers are people who collect things. They might collect food, or they might collect materials that they can use to build something.
A gatherer is someone who collects things. They might collect things like eggs or flowers.
A secretion is something that is released from the body in order to do something. Some body secretions are important, like sweat, while others are just waste products.
To starve is to not have enough food. When the food supply is limited, people are often forced to starve.
The anteater is a type of animal that lives in the rainforest. It has a long nose and a strong jaw, and it uses these features to eat ants.
A pacemaker is a device that is used to help control the heart rate. It is usually worn on the chest, and it sends electrical signals to the heart to help it beat more slowly or at a regular rate.