The chemical digestion of __ begins in the mouth.
Carbohydrates
What is the term for how most animals reproduce?
Sexual reproduction
Double Jeopardy! Which body system includes skin, hair, and nails?
Integumentary system
What is the study of the different organs and structures of your body called?
Anatomy
What is the type of substance that often coats eggs laid in water?
jelly-like
Mechanical digestion involves _ food into smaller pieces, often with structures like jaws and teeth or a gizzard.
Grinding
What is the male gamete called?
Sperm
What is the purpose of valves in the circulatory system?
to prevent blood from flowing in the wrong direction
Which type of tissue supports, connects, and protects other body structures?
Connective tissue
Bread, cereals, and desserts are typically high in __.
carbohydrates
What is the mixture of food, enzymes, and acid that leaves the stomach to enter the small intestine called?
Chyme
Where does external fertilization typically occur?
Outside the parents’ bodies, usually in water
What does a zygote develop into after fertilization?
Embryo
What protein are the dead cells on the surface of the epidermis filled with?
Keratin
What vitamin does the skin make when exposed to sunlight?
D
Double Jeopardy! Which organ stores bile?
Gallbladder
What is the process where sperm and egg unite?
Fertilization
Where does the absorption of water and minerals take place?
large intestines
Which tissue receives and transmits electrochemical impulses?
nerve tissue
Meat and eggs are good sources of __.
protein
Blood pressure is the __.
amount of pressure that the blood puts on artery walls.
Which animals are examples of those that use external fertilization?
Fish and amphibians
Animals maintain ___, which means keeping their internal processes stable.
homeostasis
The smallest blood vessels in your body are called __.
capillaries
What nourishes the embryo inside a bird egg?
yolk