Gelatin-like fluid that fills the inside of a cell

(a)  

To cease to be valid, typically after a fixed period of time

(a)  

Cell

(a)  

Heart

(a)  

see

(a)  

Simultaneous performance of action or utterance of speech

(a)  

Record of a person’s heartbeat

(a)  

Generating heat within the body through metabolic activities which results in optimal body temperature

(a)  

in

(a)  

foot

(a)  

A reaction that gives off heat (ex. Hand warmer reaction)

(a)  

Person walking along a road or in a developed area

(a)  

Any of a large class of snails that have a muscular ‘stomach’ foot that touches the surface the snail is on

(a)  

Doctor who specializes in the study or treatment of heart diseases and heart abnormalities

(a)  

Practice or art of choosing, cooking, and eating good food

(a)  

Relating to several cultural or ethnic groups within a society

(a)  

Person who studies living organisms

(a)  

Person who studies physical activity and human movement

(a)  

Study of cells

(a)  

Study of the mind and behavior

(a)  

The process of a cell taking in external material by surrounding it with the cell membrane

(a)  

Having many sides

(a)  

small

(a)  

dried up

(a)  

Relating to the heart

(a)  

Internal supporting framework in an animal (ex. bones, cartilage)

(a)  

Animal that has two legs for walking (ex. person)

(a)  

Optical instrument that allows an observer on a submarine to get a view that would otherwise be blocked

(a)  

All the members of one species have died

(a)  

Covering of a plant cell that provides strength and protection

(a)  

Living

(a)  

Belonging to or forming the outer surface or structure of something

(a)  

Relating to, occurring on, or affecting only one side of an organ or structure

(a)  

One

(a)  

Branch of medicine that deals with diseases and abnormalities of the heart

(a)  

(a)   Study of very small objects

Person who studies cells

(a)  

Optical instrument used for viewing very small objects

(a)  

Study of cells

(a)  

Being the only one of its kind; unlike anything else

(a)  

Outside

(a)  

Animal that has four feet (ex. cow)

(a)  

When the heart stops beating suddenly

(a)  

Optical instrument used for viewing objects such as stars that are very far away

(a)  

Person who studies the mind and behavior

(a)  

Person who studies very small organisms

(a)  

Small room

(a)  

An account of a person’s life written by that person

(a)  

Increase or cause to increase greatly in number or quality

(a)  

Regulates what enters a cell; also known as a plasma membrane

(a)  

Nonliving

(a)  

Remaining the same in all cases and at all times; distinctive clothing worn by a group of

students attending the same school

(a)  

An instance of two or more people coming together again after a period of separation

(a)  

Mythical animal represented as a horse with a single straight horn

(a)  

An account of someone’s life written by someone else

(a)  

Muscle that the heart is made of

(a)  

Person who studies

(a)  

Cycle with a single wheel typically used by acrobats

(a)  

Thin, clear fluid secreted by the stomach glands

(a)  

Study of the Earth

(a)  

Science, study

(a)  

Internal framework that maintains the shape of a cell and may allow it to move

(a)  

Study of animals

(a)  

Person who studies the Earth

(a)  

Stomach

(a)  

Life

(a)  

Relating to or consisting of living cells

(a)  

Many

(a)  

Study of living organisms

(a)  

Procedure in which an instrument is introduced into the body to give a view of its internal parts

(a)  

Structural frame that supports an animal body

(a)  

Very small organism (ex. bacteria)

(a)  

Organism made of multiple cells (ex. human)

(a)  

Organism made of multiple cells (ex. human)

(a)  

Thick outer covering that protects and animal’s body;  hard outer structure, such as the shell of an insect, that provides protection or support for an organism (ex. Shell)

(a)  

Person who studies cells

(a)  

Medical practitioner qualified to diagnose and treat disorders of the stomach and intestines

(a)  

Branch of medicine focused on the digestive system and its disorders

(a)  

Study of life

(a)  

Organism made of one cell (ex. bacterium)

(a)  

Make into a unit or coherent whole

(a)  

Surgery to remove part or all of the stomach

(a)  

Doctor who treats feet and their ailments

(a)