Which of the different types of nerves or neurons are responsible for carrying the impulse from the sense organs to the spinal cord or brain?

Which of the following is the main organ of the nervous system?

Blood is the liquid part of the circulatory system. Which is the main work of the blood?

The main function of the human heart is to pump blood throughout the body. Which of its part pumps deoxygenated blood to the heart?

Nostrils are the opening into the nasal passages that are lined with hairs called cilia.  Why are cilia important?

Our throat is divided into two separate tubes, the windpipe and food pipe. What prevent food from entering the windpipe?

Digestive system breaks down food which serves as a good source of energy needed by our body. Which are the correct  pathways of food in the digestive system? 

How does the skin regulate body temperature in the normal condition?

What do you call the outermost layer of the human skin that protects the body?

What is the function of the ribcage?

How does the skin protect muscles and bones?

Muscles give the body shape and mass. Which of the following is another function of the muscles?

Which of the following activities does not show that a message is being carried by

the nerve cells to the muscles?

What does the skin do as the first line of defense of the body?

What bodily reaction maintains our body temperature when the environment is hot?

How does the nervous system help the circulatory system work?

Which activity shows how the digestive and circulatory system work together?

Why is the nervous system important?

How does the integumentary system work with the nervous system?

Which shows how the nervous system works with the musculoskeletal system?

How do you classify the following invertebrates: mosquito, beetle, ladybug, and

flea?

Insects and spiders are invertebrate animals, which of the following characteristics

does it describe them?

Mollusks are invertebrates that occupy an oversized range of water and land communities. They have bivalves or univalve shells. Which of the following is not a mollusk?

The most important groups of arthropods are insects. Which best describes insects?

Birds have strong beak and sharp claws that can be used for hunting and eating their prey. Which group of birds can do this way in hunting their prey?

They have gills that let them breathe underwater. They also have jaws, fins, and  scales. Which of the following vertebrates possess these characteristics.

Reptiles body temperature varies on their environment. Which group of animals is classified as reptiles?

They are parasitic and non- parasitic animals with long segmented bodies that can  enter the stomach and intestines. Whatare they?

Birds are vertebrates that have wings which they use to fly. But not all birds can fly. Which of the following vertebrates areflightless birds?

Reptiles have lungs that can be used for breathing on land. Which of the following  vertebrate is a reptile?

How will you describe ecological balance betweenliving organisms in the environment?

Why do we need to conserve our ecosystem?

Why are mangroves important?

What will happen in an ecosystem if we fail to protect and conserve them?

Which of the following practices destroys coral reefs?

Which of the following destroys a forest ecosystem?

Which of the following is a way of conserving the forest ecosystem?

Coral reefs provide habitat and shelter for many marine species. How can we protect coral reefs?

Endangered species are animals and plants which are at a high risk for extinction.   Which of the following is considered endangered species?

Rainforests serve as the habitat of many species. How do we prevent destruction of rainforests?