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Elephant
100

The first section of the small intestine


What is the duodenum

100

Controls simple reflexes

What is the spinal cord

100

The air sacs in the lungs

What are alveoli

100

Muscles that work without conscience thought

What are involuntary muscles

100

The part of the body containing most of the vital organs

What is the trunk

200

The scientific name for the windpipe

What is the trachea

200

The primary pigment that gives skin it's color

What is melanin

200

Connects bone to muscle

What is a tendon

200

Species

What is a distinct type of organism

200

This plant family helps restore nitrogen to the soil

What is the pea family

300

The largest lymphatic organ

What is the spleen

300

The blood cells that mature in your thymus

What are B cells

300

The early growth of a seed

What is germination

300

The branch of biology that studies the relationship between organisms in their environment

What is ecology

300

Plant tissue that carries food downward

What is the phloem

400

exchanges oxygen and nutrients between the blood of the unborn child and the mother

What is the Placenta

400

The master gland

What is the pituitary gland

400

The sum of all chemical processes of life

What is metabolism

400

The process that water in the soil enters a root's root hairs

What is osmosis

400

The organ where bile is stored

What is the gallbladder

500

The dome shaped muscle that helps you breath

What is the diaphragm

500

A leaf with only one blade attached to the petiole

What is a simple leaf

500

The study of reasoning

What is logic

500

The uniting of a sperm cell and an egg cell

What is fertilization

500

A young plant no longer in need of it's cotyledons

What is a seedling