The digestive system breaks down food into simpler molecules the body can absorb and use for energy, growth, and repair. It includes the mouth,…

The integumentary system includes the skin, hair, nails, sweat, and oil glands. It acts as the first line of defense against pathogens, regulates…

Circulatory tissue refers mainly to blood, which circulates through the heart and blood vessels. It carries oxygen, nutrients, hormones, and waste…

Nervous tissue is made up of neurons and glial cells. It processes and transmits signals between different parts of the body, allowing coordination,…

Muscle tissue is specialized for contraction, allowing movement of the body and its parts. It includes skeletal muscle (for voluntary movement), cardiac…

Connective tissue supports, connects, and binds other tissues in the body. It includes a wide range of types like bone, blood, fat, and cartilage….

Epithelial tissue forms the outer layer of the skin and lines internal organs, blood vessels, and body cavities. It serves as a protective barrier,…