Vocabulary

• due to: Because of; owing to
• in general: Typically; usually; on the whole.
• to do with: To be about something; concern
• outside of: Located or situated beyond the boundaries or confines of something.
• make up: To invent or create a story
• for example: As an illustration or instance.
• used to: Did regularly before, but don't do now
• move closer: To reduce the distance between two objects or people.
• warm up: To gently exercise muscles before doing sport
• as for: Concerning; regarding.
• lead to: To result in some action
• for certain: Definitely; without a doubt.
• except that: But; with the exception that.
• in fact: Used to emphasize the truth of a statement, especially one that contrasts with or contradicts something else.
• at the end of the day: Ultimately; when everything else is considered.
• in the future: At a later time; in times to come.
• equivalent: Equal to something in value, use or meaning
• physical: Health check at the doctors' or hospital
• fascinating: To attract or interest greatly
• tend: To move or act in a certain manner
• general: Widespread, normal or usual
• roughly: Approximately; (of numbers) about; around
• research: To study in order to discover new ideas and facts
• increase: To make or become larger in size or amount
• evolutionary: Concerning gradual change over time
• arousal: Being woken up from sleep; sexual excitement
• status: Position or rank relative to others in a society
• competition: Fighting against others to win something
• maintain: To keep saying something a certain way
• explain: To make clear or easy to understand by describing
• surface: To give (road) a top layer
• orbit: Path an object takes as it circles another object
• compare: To consider how similar and different things are
• thick: Difficult to see through, as fog
• survey: Broad view or general description of something
• due: When something is required or expected
• throw: To use your arm to make something fly in the air
• valid: Being in effect or in force, often legally
• dominance: Having more power, success than others
• invest: To use resources to build for the future
• variation: Something almost the same as another but different
• hang: To attach a picture, photograph etc. onto a wall
• prove: To demonstrate truth by providing evidence
• anatomy: Scientific study of the structure of (human) body
• shape: The outer form of something, what it looks like
• produce: Fresh foods such as fruits and vegetables
• energy: Physical or mental strength
• leave: To go away from; depart
• patch: Cover worn over an eye to protect or hide it
• decrease: To reduce the size, amount or number of something
• sperm: Cell produced by men and needed for reproduction
• fact: Something that is known or proved to be true
• mate: A friend who you work, live, or go to school with
• sack: To put something in a large bag
• badge: Material with a pin to show membership in a group
• grow: To get bigger and more mature; make plants do this
• include: To make someone, something part of a group
• vagina: Lower part of the female reproductive tract
• collagen: Type of protein that is often used in skin cream and in plastic surgery because it makes skin look younger
• crown: To put a crown on to make someone a king/queen
• reproductive: Concerning the process of making children
• bud: Small part of a plant that will be a flower
• descent: Movement downward; movement toward something bad
• human: A person; a man, woman or child
• time: Speed at which music is played; tempo
• monogamous: Having one sexual partner
• knot: Secure form of tying a rope, string etc.
• chimpanzee: Animal similar to a monkey but without a tail
• retract: To take back something said or given
• wobble: To be indecisive; hesitate
• elasticity: Ability to stretch and return to original shape
• testicle: One of two round male sex organs
• pre: A prefix meaning 'before'
• larynx: Hollow organ in throat containing the vocal chords
• childcare: Looking after children and babies
• sac: Bag-like part of an animal or plant
• maxim: Saying expressing a rule about how to behave