Digestive System
Reproduction
Body Systems
Cells and Tissues
Nutrition
100

The chemical digestion of __ begins in the mouth.

Carbohydrates

100

What is the term for how most animals reproduce?

Sexual reproduction

100

Double Jeopardy! Which body system includes skin, hair, and nails?

Integumentary system

100

What is the study of the different organs and structures of your body called?

Anatomy

100

What is the type of substance that often coats eggs laid in water?

jelly-like

200

Mechanical digestion involves _ food into smaller pieces, often with structures like jaws and teeth or a gizzard.

Grinding

200

What is the male gamete called?

Sperm

200

What is the purpose of valves in the circulatory system?

to prevent blood from flowing in the wrong direction

200

Which type of tissue supports, connects, and protects other body structures?

Connective tissue

200

Bread, cereals, and desserts are typically high in __.

carbohydrates

300

What is the mixture of food, enzymes, and acid that leaves the stomach to enter the small intestine called?

Chyme

300

Where does external fertilization typically occur?

Outside the parents’ bodies, usually in water

300

What does a zygote develop into after fertilization?

Embryo

300

What protein are the dead cells on the surface of the epidermis filled with?

Keratin

300

What vitamin does the skin make when exposed to sunlight?

D

400

Double Jeopardy! Which organ stores bile?

Gallbladder

400

What is the process where sperm and egg unite?

Fertilization

400

Where does the absorption of water and minerals take place?

large intestines

400

Which tissue receives and transmits electrochemical impulses?

nerve tissue

400

Meat and eggs are good sources of __.

protein

500

Blood pressure is the __.

amount of pressure that the blood puts on artery walls.

500

Which animals are examples of those that use external fertilization?

Fish and amphibians

500

Animals maintain ___, which means keeping their internal processes stable.

homeostasis

500

The smallest blood vessels in your body are called __.

capillaries

500

What nourishes the embryo inside a bird egg?

yolk