Which is the longest bone in the human body?

What is the function of red bone marrow?

Which part of the bone is the hard outer layer containing calcium?

Where do two or more bones meet?

What ailment is caused by vitamin D deficiency that makes bones weak?

Which division of the skeleton includes the skull, ribs, and spine?

A child has around 300 bones which fuse together as they grow.

Ligaments connect muscles to bones.

The femur is found in the arm.

The skull protects the brain.

The smallest bone in the body is the _________________, found in the ear.

The largest bone in the body is the _________________ bone.

_________________ is a strong tissue that covers the ends of bones to prevent wear and tear.

15. Bones store minerals such as _________________ and phosphorus.

How many muscles make up the muscular system?

Which type of muscle is found only in the heart?

What type of muscles can you control consciously?

Where are smooth muscles found?

What happens when a muscle contracts?

What is a muscle cramp?

_____ Skeletal muscles appear striped or striated.

Smooth muscles work automatically without conscious control.

Skeletal muscles work alone, not in pairs.

A muscle ________________ is also called a "pulled muscle" caused by over-stretching.

The ________________ is a muscle that helps us breathe.

To care for muscles, you should eat ________________-rich food.

Where does digestion begin?

What is the tube that connects the mouth to the stomach?

What is the soupy mixture of partially digested food in the stomach called?

Which organ produces bile to break down fats?

What are the tiny finger-like structures in the small intestine that absorb nutrients?

How long is the small intestine in adults?

Which part of the small intestine receives food from the stomach?

What is the involuntary muscle movement that pushes food through the digestive tract?

The large intestine is longer than the small intestine.

The pancreas produces enzymes to help digest fats, proteins, and carbohydrates.

Mechanical digestion involves using enzymes and acids to break down food.

The gallbladder stores bile produced by the liver.

Diarrhea is characterized by hard and dry feces.

Fill in the blank: ________________ digestion breaks down food into nutrients using enzymes, bile, and acids.

Fill in the blank: The ____________________ chew and grind food into smaller pieces during mechanical digestion.

Fill in the blank: The ____________________ serves as temporary storage for stool.

____________________ is difficulty in bowel movement with hard and dry feces.

The ____________________ is the opening where waste leaves the body.

How many chambers does the heart have?

What are the upper chambers of the heart called?

Which blood vessels carry oxygen-rich blood AWAY from the heart?

Which component of blood carries oxygen and nutrients?

What is the function of platelets?

Which blood vessels are the smallest and allow gas exchange?

What is another name for the circulatory system?

The left and right ventricles are called "holding chambers."

White blood cells fight diseases and protect the body from infection.

Veins carry oxygen-rich blood away from the heart.

Plasma is a straw-colored liquid where blood components float.

The left and right ventricles are called "__________________" chambers.

____________________ blood from the body enters the right atrium.

The right ventricle pumps blood to the ___________________.

The ___________________ receives deoxygenated blood from the body.

What is the main function of the respiratory system?

What is another name for the trachea?

What are the tiny air sacs where gas exchange occurs?

Which structure prevents food from entering the lungs?

What is the function of the diaphragm?

Where does the trachea divide into two branches?

The bronchioles deliver air to the alveoli.

The larynx is also called the voice box.

During exhalation, the diaphragm contracts and moves downward.

Air enters the body through the nose or mouth and passes through the _________________ .

The bronchi are lined with _________________ to trap bacteria and keep tubes moist.

When you exhale, _______________-rich air exits your body.

What are the two main plant systems?

Which part of the plant is responsible for making food through photosynthesis?

What are the tiny openings on leaves that help plants breathe?

Which type of root has one primary large root growing downward?

The shoot system includes all parts of the plant that grow below the ground.

Chlorophyll is the green pigment in leaves that absorbs sunlight.

The _________________ carries water and minerals from the roots to other parts of the plant.

80. With enough water, air, and the right temperature, seeds may _________________ or grow into young plants.