This type of immune system cell can attack pathogens directly, secrete cytokines, or secrete toxins: O anaerobic bacteria O t-cells O plasma protein Ob-cells

Q: Define spinal nerve

A: The long thin tubular bundle of neurons and supporting cells that originate from posterior end of me...

Q: 11 The picture below shows a sarcomere (from muscle):   Which letter best indicates the thick fil...

A: Skeletal muscle- Skeletal muscle forms about 40-50% of body mass and is responsible for movement and...

Q: When a mast cell reacts to an irritation, which of thefollowing chemicals does it release?a. collage...

A: The immune system in our body gives protection against foreign particles shows immunological effects...

Q: One of the main functions of connective tissue is tointegrate organs and organ systems in the body. ...

A: Connective tissue is the widely distributed in the our body. Connective tissue binds, support and pr...

Q: Describe how the respiratory passageways control airflow and

A: The upper respiratory tract and the lower respiratory tract are the two sections of the respiratory ...

Q: Identify oogonial cluster/s in the following micrograph

A: Oogonia have the tendency of forming clusters of dividing cells. The proliferation of oogonia occurs...

Q: Which of the following functions cannot be attributedto the cerebellum?a. comparing motor commands a...

A: Introduction: The central nervous system consists of the brain and spinal cord, while the peripheral...

Q: Digestion of macronutrients begins in which organ of the gastrointestinal tract?   Mouth   Esophag...

A: Large insoluble food molecules are broken down into little water-soluble food molecules during diges...

Q: what is the muscle-to-mind connection?

A: We know that Muscles are the soft tissues in mammals. The muscle cells comprise protein filaments, n...

Q: Selected Answer: D. Hypodermis Answers: A. Papillary layer B. Reticular layer C. Stratum corneum D. ...

A: The human body has numerous organ systems. All the systems perform specific physiological functions....

Q: What secrete saliva only during eating or anticipation of a meal, causing the mouth to water? Select...

A: Through the process of digestion the food we eat is digested. The digestion is a step by step proces...

Q: An increase in the magnitude of depolarization by a graded potential will increase the threshold pot...

A: Graded potentials occur in plasma membrane of cells but in neurons they occur in the synaptic region...

Q: How much does the O2 consumption increase with exercise intensity before it plateaus? a) 20x b) 2x c...

A: As We know During exercise, is an individual needs a lot of energy, higher than normal. During exten...

Q: Fig name only?

A: Introduction:- A blood cell, also called a hematopoietic cell, hemocyte, or hematocyte, is a cell pr...

Q: How can the different gene interactions be differentiated from each other and from the Mendelian inh...

A: Human qualities have a high degree of heredity. If you browse through a family photo book, you might...

Q: Fetal hemoglobin comprises of αγ sub-units. It has been found that the γ-chain contains serine at po...

A: Introduction:- Fetal hemoglobin (HbF) is a prominent type of hemoglobin that is present in the fetus...

Q: The interior of a neuron's plasma membrane at resting membrane potential will have a positive charge...

A: Membrane potential is also more commonly known as membrane voltage or transmembrane potential. It is...

Q: Briefly explain why each of the following statements is false, or reword it to make it true. 8. Peop...

A: Melanocytes are skin and eye cells that create and store the pigment melanin. Enlarge. The epidermis...

Q: If potassium permeability increases the cell depolarizes O the cell hyperpolarizes O voltage gated i...

A: Action potential is a phenomenon of sudden reversal of the electrical gradient that occur in the pla...

Q: Which of the following fats are the most dangerous to the human body when present in excess?   Satu...

A: Fat is just as important to your diet as protein and carbohydrates for providing energy to your body...

Q: Which part of the brain is responsible when a teenager doesn't want to be seen with his or her paren...

A: Part of the brain is responsible when a teenager doesn't want to be seen with his or her parents -

Q: acetabulum acromial end acromion

A: There are 206 bones in an adult human being. These bones are arranged as an axial skeleton and an ap...

Q: The nerve impulse travels down a(n) ________, awayfrom the cell body.a. dendriteb. axonc. microgliad...

A: Nervous system is a part of body system which generally deals with coordination as well as control ....

Q: An individual with very low levels of vitamin Dpresents themselves to you complaining of seeminglyfr...

A: Vitamin D is also known as the sunshine vitamin. In animals, in the skin the ultraviolet rays light ...

Q: Write and briefly explain liver functions.

A: We can say that The liver is the largest gland of the body. It is placed in the right upper quadrant...

Q: Briefly explain why each of the following statements is false, or reword it to make it true. 2. In e...

A: There are two types of ossification- Intramembranous and endochondral. 

Q: efine what is a sex-linked disorder? A Bb guinea pig crosses with a Bb guinea pig and four offspring...

A: All organisms are made of numerous cells. These cells are the building blocks of the organisms. Cell...

Q: Define varicose vein

A: Introduction: The blood vessels are responsible for the transportation of blood throughout the body....

Q: Summarize existing solutions for hypertension

A: The circulatory or the cardiovascular system is the transport system of the body. This system is res...

Q: Which of the following is comparable to a negative feedback cycle? opening of voltage-gated Na* chan...

A: Negative feedback cycles are important mechanisms that help regulate biological processes. In genera...

Q: Describe how the skin cells, neurons, muscle cells, and blood cells you have observed relate to the ...

A: Cells can be termed as the most primary components of living organisms. The cell membrane is respons...

Q: Non-digestible carbohydrates are most commonly referred to as which of the following?   Glycogen  ...

A: Non-digestible carbohydrates are those carbohydrates which are not digested inside our body. These c...

Q: Define splanchnic

A: In humans and other animals, the abdomen (also known as the belly, tummy, midriff, or stomach) is th...

Q: Provide the names of the structures indicated by numbers 1 2 3 4 6 1. 2. 3. 4. 5. 6. 5.

A: The brain, brain stem, and spinal cord are all parts of the nervous system that make up the central ...

Q: Label A-G as the following: -Guard Cell -Palisade msophyll cells -Stoma -Cuticle -Vascular bundle -S...

A: The given diagram is a model of dicot leaf. 

Q: These These blood vessels are the [ Select ] arteries and the coronary

A: The arteries, arterioles, veins, venules and capillaries are the blood vessels forming the cardiovas...

Q: Label the Female Reproductive Tract -2. 3. 4. 10. 5. 6. 7. 9. 8.

A: The reproductive system is one of the biological systems in the body that is made up of all the repr...

Q: Label the following: ftadies Stylnidprocess Radial bead Radial tuberosity. Uina Oleeramon Trechlearm...

A: A branch of biology or a field of science that deals with the study of the body structure are referr...

Q: 10) bones are constantly undergoing resorption( breaking bone down) for various reasons. Which of th...

A: The skeleton's bones, joints, cartilages, and ligaments make up the Skeletal System. The skeleton is...

Q: A study testing sensory deprivation took place at McGill University in the 1950’s. What is sensory d...

A: The brain seems to be in command of the majority of bodily functions and actions. The cerebrum, whic...

Q: longitudinal section of a mandibular first molar showing the direction of enamel rods. Explain its r...

A: As the organisms evolved gradually lot of advancements took place. From diploblastic the organisms b...

Q: In this model, does the osteoporosis bone have more or less calcium? Explain by providing the possib...

A: Bone is a stiff bodily tissue made up of cells buried in a dense intercellular matrix. Collagen and ...

Q: Ankylosis is common in what kind of arthritis?   a Osteoarthritis   b Rheumatoid arthritis   c Go...

A: Bones, joints, cartilage, and ligaments structures make up the skeletal system. Functions of the ske...

Q: list the chemical forms and anatomical sites of storage pools for glucose and other metabolic substr...

A: The term metabolic pathway is associated with the set of reactions occurring in the cell in order to...

Q: Ligaments connect bones together and withstand a lotof stress. What type of connective tissue should...

A: We know that Connective tissue refers to the tissue that supports, connects, separates, or combines ...

Q: This muscle is a double-bellied muscle of the neck, which attaches to the mastoid process and the ma...

A: Over 500 muscles make up the total muscular system, which accounts for 40-50 percent of the body's w...

Q: Present your explanation why would the alkalosis produced by hypoparathyroidism decrease serum free ...

A: Hypoparathyroidism is a rare condition in which the body generates unusually low quantities of the h...

Q: Why are primary endocrine deficiencies typically more severe than secondary deficiencies? Give some ...

A: An endocrine disorder occurs when hormone levels are too high or too low, or when the body does not ...

Q: What are the different classifications of bone by shape? Locate the diaphysis, epiphysis, compact bo...

A: Bone is a specialized connective tissue, it is rigid and gives a definite shape to the body by formi...

Q: All of the following are true for neurons EXCEPT neurons must produce many proteins neurons are elec...

A: Neurons (also known as neurons or nerve cells) are the basic components of the brain and nervous sys...