1. Which statement describes the function of the heart?

A. digestion and absorption of food in the body

B. supplies oxygen and nutrients in the body

C. moves and pumps the blood throughout the body

D. blood circulation and removal of wastes from the body

2. The _____________system breaks down food to get nutrients; the ______________ system distributes food nutrients to your cells.

A. Digestive; nervous
B. Circulatory; Digestive
C. Muscular; circulatory
D. Digestive; circulatory

3. Which of the following statement correctly describes how the respiratory system take in oxygen?

A. muscles pull the lungs open to draw in air
B. the heart is divided into four chambers
C. the excretory system carries waste products to the lungs
D. the stomach muscles can churn and mix food

4. The _____________system gets nutrients into the blood; the ______________ system delivers them to your cells.

A. Circulatory; Digestive
B. Digestive; circulatory
C. Muscular; circulatory
D. Digestive; nervous


5. Turtles live in water. Where do they lay their eggs?

A. subtidal zone
B. deep portion of the sea
C. pits along the sand
D. in seagrasses

6. Which of this is an egg-laying mammal?

A. tarsier
B. koala
C. monkey
D. platypus

7. Which is the criterion for classifying animals into vertebrates and invertebrates?

A. way of production
B. ways of getting food
C. kind of body covering
D. presence or absence of backbone



kahit wala nang explanation basta pakibigay nalang po ng tamang sagot
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