Organisation
The skeleton
Movement
Specialized cells
100

Which organ system controls the body and sends signals?

The nervous system.
100

What holds bones to other bones

ligaments

100

What word means muscles getting shorter?

contract

100

Name a feature of a sperm cell that helps it do it's job

It has a tail that allows it to swim. It has half of a mans DNA

200

Which organ pumps blood around the body

The heart

200

What type of joint would you find in the shoulders and hips?

Ball and socket

200

What do we call the pairs of muscles that do opposite things?

Antagonistic pairs

200

What do we call it if something is made of only one cell

Unicellular

300

What word do we use when referring to living things?

Organism

300

What does cartilage do in joints?

Stops bones rubbing together

300

What is the strongest muscle in the body?

The tongue

300

What do we call it when we have organisms made of many cells?

Multicellular

400

Movement, respiration, sensitivity, growth, reproduction, excretion and ________ are the requirements for living things. 

Nutrition

400

Where are the smallest bones in the body?

The ear

400

What is the muscle called that would contract while the triceps relaxes?

Biceps

400

What are humans classed as in regards to how many cells they have?

Multicellular